Front coverIBM TotalStorage SANFile SystemNew! Updated for Version 2.2.2 of SANFile SystemHeterogeneous file sharingPolicy...
International Technical Support OrganizationIBM TotalStorage SAN File SystemJanuary 2006                                  ...
Note: Before using this information and the product it supports, read the information in “Notices” on page xix.Fourth Edit...
Contents                   Figures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....
2.5.1 Metadata server . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
3.12.2 IP network sizing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....
6.3.5 Upgrade the MDS software. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .           ...
7.8.4    Creating a policy and rules with GUI. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .          ...
Chapter 11. Clustering the SAN File System Microsoft Windows client . . . . . . . . . .                                   ...
14.2.2 DMS tablespaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .      ...
x   IBM TotalStorage SAN File System
Figures                 1-1    SAN Management standards bodies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....
5-10   Start SAN File System client immediately . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .           ...
5-63   Disk Management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....
8-2    Set permissions for Everyone group . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .         ...
9-35    Discover SNMP devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   ...
11-44   CIFS client access SAN File System via clustered SAN File System client . . . . . .                               ...
A-10   User ID pop-up. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....
xviii   IBM TotalStorage SAN File System
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Ibm total storage san file system sg247057
Ibm total storage san file system sg247057
Ibm total storage san file system sg247057
Ibm total storage san file system sg247057
Ibm total storage san file system sg247057
Ibm total storage san file system sg247057
Ibm total storage san file system sg247057
Ibm total storage san file system sg247057
Ibm total storage san file system sg247057
Ibm total storage san file system sg247057
Ibm total storage san file system sg247057
Ibm total storage san file system sg247057
Ibm total storage san file system sg247057
Ibm total storage san file system sg247057
Ibm total storage san file system sg247057
Ibm total storage san file system sg247057
Ibm total storage san file system sg247057
Ibm total storage san file system sg247057
Ibm total storage san file system sg247057
Ibm total storage san file system sg247057
Ibm total storage san file system sg247057
Ibm total storage san file system sg247057
Ibm total storage san file system sg247057
Ibm total storage san file system sg247057
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Ibm total storage san file system sg247057

  1. 1. Front coverIBM TotalStorage SANFile SystemNew! Updated for Version 2.2.2 of SANFile SystemHeterogeneous file sharingPolicy-based file lifecyclemanagement Charlotte Brooks Huang Dachuan Derek Jackson Matthew A. Miller Massimo Rosichiniibm.com/redbooks
  2. 2. International Technical Support OrganizationIBM TotalStorage SAN File SystemJanuary 2006 SG24-7057-03
  3. 3. Note: Before using this information and the product it supports, read the information in “Notices” on page xix.Fourth Edition (January 2006)This edition applies to Version 2, Release 2, Modification 2 of IBM TotalStorage SAN File System (productnumber 5765-FS2) on the day of announcement in October of 2005. Please note that pre-release code wasused for the screen captures and command output; some minor details may vary from the generally availableproduct.© Copyright International Business Machines Corporation 2003, 2004, 2006. All rights reserved.Note to U.S. Government Users Restricted Rights -- Use, duplication or disclosure restricted by GSA ADP ScheduleContract with IBM Corp.
  4. 4. Contents Figures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xi Notices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xix Trademarks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xx Preface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxi The team that wrote this redbook. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxi Become a published author . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxiii Comments welcome. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxiii Summary of changes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxv December 2004, Third Edition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxv January 2006, Fourth Edition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxvPart 1. Introduction to IBM TotalStorage SAN File System. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Chapter 1. Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1.1 Introduction: Growth of SANs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 1.2 Storage networking technology: Industry trends . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 1.2.1 Standards organizations and standards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 1.2.2 Storage Networking Industry Association . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 1.2.3 The IBM approach . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 1.3 Rise of storage virtualization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 1.3.1 What is virtualization? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 1.3.2 Types of storage virtualization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 1.3.3 Storage virtualization models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 1.4 SAN data sharing issues . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 1.5 IBM TotalStorage Open Software Family . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 1.5.1 IBM TotalStorage SAN Volume Controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 1.5.2 IBM TotalStorage SAN File System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 1.5.3 Comparison of SAN Volume Controller and SAN File System . . . . . . . . . . . . . . . 18 1.5.4 IBM TotalStorage Productivity Center. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 1.5.5 TotalStorage Productivity Center for Fabric . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 1.5.6 TotalStorage Productivity Center for Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 1.5.7 TotalStorage Productivity Center for Disk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 1.5.8 TotalStorage Productivity Center for Replication . . . . . . . . . . . . . . . . . . . . . . . . . 24 1.6 File system general terminology . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 1.6.1 What is a file system? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 1.6.2 File system types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 1.6.3 Selecting a file system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 1.7 Filesets and the global namespace. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 1.8 Value statement of IBM TotalStorage SAN File System . . . . . . . . . . . . . . . . . . . . . . . . 30 Chapter 2. SAN File System overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 2.1 SAN File System product overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 2.2 SAN File System V2.2 enhancements overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 2.3 SAN File System V2.2.1 and V2.2.2 enhancements overview . . . . . . . . . . . . . . . . . . . 35 2.4 SAN File System architecture . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 2.5 SAN File System hardware and software prerequisites . . . . . . . . . . . . . . . . . . . . . . . . 37© Copyright IBM Corp. 2003, 2004, 2006. All rights reserved. iii
  5. 5. 2.5.1 Metadata server . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 2.5.2 Master Console hardware and software . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38 2.5.3 SAN File System software . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39 2.5.4 Supported storage for SAN File System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39 2.5.5 SAN File System engines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 2.5.6 Master Console . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45 2.5.7 Global namespace . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46 2.5.8 Filesets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47 2.5.9 Storage pools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48 2.5.10 Policy based storage and data management . . . . . . . . . . . . . . . . . . . . . . . . . . . 49 2.5.11 Clients . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51 2.5.12 FlashCopy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58 2.5.13 Reliability and availability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59 2.5.14 Summary of major features. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61Part 2. Planning, installing, and upgrading . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63 Chapter 3. MDS system design, architecture, and planning issues. . . . . . . . . . . . . . . 65 3.1 Site infrastructure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66 3.2 Fabric needs and storage partitioning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67 3.3 SAN File System volume visibility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69 3.3.1 Uniform SAN File System configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69 3.3.2 Non-uniform SAN File System configuration. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69 3.4 Network infrastructure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71 3.5 Security . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72 3.5.1 Local authentication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72 3.5.2 LDAP. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73 3.6 File sharing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78 3.6.1 Advanced heterogenous file sharing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78 3.6.2 File sharing with Samba . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78 3.7 Planning the SAN File System configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78 3.7.1 Storage pools and filesets. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78 3.7.2 File placement policies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80 3.7.3 FlashCopy considerations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80 3.8 Planning for high availability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81 3.8.1 Cluster availability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81 3.8.2 Autorestart service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82 3.8.3 MDS fencing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82 3.8.4 Fileset and workload distribution. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83 3.8.5 Network planning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84 3.8.6 SAN planning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85 3.9 Client needs and application support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85 3.9.1 Client needs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85 3.9.2 Privileged clients . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86 3.9.3 Client application support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87 3.9.4 Clustering support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87 3.9.5 Linux for zSeries . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88 3.10 Data migration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88 3.10.1 Offline data migration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89 3.10.2 Online data migration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90 3.11 Implementation services for SAN File System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90 3.12 SAN File System sizing guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91 3.12.1 Assumptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91iv IBM TotalStorage SAN File System
  6. 6. 3.12.2 IP network sizing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91 3.12.3 Storage sizing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91 3.12.4 SAN File System sizing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 923.13 Planning worksheets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 953.14 Deploying SAN File System into an existing SAN. . . . . . . . . . . . . . . . . . . . . . . . . . . . 963.15 Additional materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97Chapter 4. Pre-installation configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 994.1 Security considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100 4.1.1 Local authentication configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100 4.1.2 LDAP and SAN File System considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1014.2 Target Machine Validation Tool (TMVT) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1054.3 SAN and zoning considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1064.4 Subsystem Device Driver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109 4.4.1 Install and verify SDD on Windows 2000 client. . . . . . . . . . . . . . . . . . . . . . . . . . 110 4.4.2 Install and verify SDD on an AIX client . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 112 4.4.3 Install and verify SDD on MDS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1174.5 Redundant Disk Array Controller (RDAC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 119 4.5.1 RDAC on Windows 2000 client . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 119 4.5.2 RDAC on AIX client. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120 4.5.3 RDAC on MDS and Linux client . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 121Chapter 5. Installation and basic setup for SAN File System . . . . . . . . . . . . . . . . . . . 1255.1 Installation process overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1265.2 SAN File System MDS installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 126 5.2.1 Pre-installation setting and configurations on each MDS . . . . . . . . . . . . . . . . . . 127 5.2.2 Install software on each MDS engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 127 5.2.3 SUSE Linux 8 installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128 5.2.4 Upgrade MDS BIOS and RSA II firmware. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 135 5.2.5 Install prerequisite software on the MDS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 135 5.2.6 Install SAN File System cluster . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 138 5.2.7 SAN File System cluster configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1475.3 SAN File System clients . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 149 5.3.1 SAN File System Windows 2000/2003 client . . . . . . . . . . . . . . . . . . . . . . . . . . . 149 5.3.2 SAN File System Linux client installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 164 5.3.3 SAN File System Solaris installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 168 5.3.4 SAN File System AIX client installation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 169 5.3.5 SAN File System zSeries Linux client installation . . . . . . . . . . . . . . . . . . . . . . . . 1785.4 UNIX device candidate list . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1855.5 Local administrator authentication option . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1865.6 Installing the Master Console . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 187 5.6.1 Prerequisites . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 187 5.6.2 Installing Master Console software . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1925.7 SAN File System MDS remote access setup (PuTTY / ssh). . . . . . . . . . . . . . . . . . . . 228 5.7.1 Secure shell overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 228Chapter 6. Upgrading SAN File System to Version 2.2.2. . . . . . . . . . . . . . . . . . . . . . . 2296.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2306.2 Preparing to upgrade the cluster . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2316.3 Upgrade each MDS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 233 6.3.1 Stop SAN File System processes on the MDS . . . . . . . . . . . . . . . . . . . . . . . . . . 234 6.3.2 Upgrade MDS BIOS and RSA II firmware. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 234 6.3.3 Upgrade the disk subsystem software . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 235 6.3.4 Upgrade the Linux operating system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 236 Contents v
  7. 7. 6.3.5 Upgrade the MDS software. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 236 6.4 Special case: upgrading the master MDS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 241 6.5 Commit the cluster upgrade . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 243 6.6 Upgrading the SAN File System clients . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 244 6.6.1 Upgrade SAN File System AIX clients . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 244 6.6.2 Upgrade Solaris/Linux clients . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 245 6.6.3 Upgrade SAN File System Windows clients . . . . . . . . . . . . . . . . . . . . . . . . . . . . 245 6.7 Switching from LDAP to local authentication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 246Part 3. Configuration, operation, maintenance, and problem determination . . . . . . . . . . . . . . . . . . . 249 Chapter 7. Basic operations and configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 251 7.1 Administrative interfaces to SAN File System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 252 7.1.1 Accessing the CLI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 252 7.1.2 Accessing the GUI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 256 7.2 Basic navigation and verifying the cluster setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 258 7.2.1 Verify servers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 258 7.2.2 Verify system volume . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 259 7.2.3 Verify pools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 259 7.2.4 Verify LUNs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 260 7.2.5 Verify administrators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 261 7.2.6 Basic commands using CLI. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 261 7.3 Adding and removing volumes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 263 7.3.1 Adding a new volume to SAN File System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 263 7.3.2 Changing volume settings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 266 7.3.3 Removing a volume . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 266 7.4 Storage pools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 268 7.4.1 Creating a storage pool. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 269 7.4.2 Adding a volume to a user storage pool . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 270 7.4.3 Adding a volume to the System Pool . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 270 7.4.4 Changing a storage pool . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 276 7.4.5 Removing a storage pool . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 277 7.4.6 Expanding a user storage pool volume. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 277 7.4.7 Expanding a volume in the system storage pool. . . . . . . . . . . . . . . . . . . . . . . . . 284 7.5 Filesets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 286 7.5.1 Relationship of filesets to storage pools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 287 7.5.2 Nested filesets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 289 7.5.3 Creating filesets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 290 7.5.4 Moving filesets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 294 7.5.5 Changing fileset characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 295 7.5.6 Additional fileset commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 296 7.5.7 NLS support with filesets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 296 7.6 Client operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 296 7.6.1 Fileset permissions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 297 7.6.2 Privileged clients . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 297 7.6.3 Take ownership of filesets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 300 7.7 Non-uniform SAN File System configurations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 303 7.7.1 Display a list of clients with access to particular volume or LUN . . . . . . . . . . . . 304 7.7.2 List fileset to storage pool relationship . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 304 7.8 File placement policy. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 304 7.8.1 Policies and rules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 305 7.8.2 Rules syntax . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 307 7.8.3 Create a policy and rules with CLI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 309vi IBM TotalStorage SAN File System
  8. 8. 7.8.4 Creating a policy and rules with GUI. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 311 7.8.5 More examples of policy rules. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 322 7.8.6 NLS support with policies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 322 7.8.7 File storage preallocation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 324 7.8.8 Policy management considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 328 7.8.9 Best practices for managing policies. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 334Chapter 8. File sharing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3378.1 File sharing overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3388.2 Basic heterogeneous file sharing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 340 8.2.1 Implementation: Basic heterogeneous file sharing . . . . . . . . . . . . . . . . . . . . . . . 3408.3 Advanced heterogeneous file sharing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 347 8.3.1 Software components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 348 8.3.2 Administrative commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 348 8.3.3 Configuration overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 348 8.3.4 Directory server configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 349 8.3.5 MDS configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 355 8.3.6 Implementation of advanced heterogeneous file sharing . . . . . . . . . . . . . . . . . . 365Chapter 9. Advanced operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3759.1 SAN File System FlashCopy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 376 9.1.1 How FlashCopy works . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 376 9.1.2 Creating, managing, and using the FlashCopy images . . . . . . . . . . . . . . . . . . . 3789.2 Data migration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 389 9.2.1 Planning migration with the migratedata command . . . . . . . . . . . . . . . . . . . . . . 390 9.2.2 Perform migration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 391 9.2.3 Post-migration steps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3959.3 Adding and removing Metadata servers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 396 9.3.1 Adding a new MDS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 396 9.3.2 Removing an MDS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 397 9.3.3 Adding an MDS after previous removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3989.4 Monitoring and gathering performance statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . 398 9.4.1 Gathering and analyzing performance statistics . . . . . . . . . . . . . . . . . . . . . . . . . 3999.5 MDS automated failover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 413 9.5.1 Failure detection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 414 9.5.2 Fileset redistribution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 415 9.5.3 Master MDS failover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 419 9.5.4 Failover monitoring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 421 9.5.5 General recommendations for minimizing recovery time . . . . . . . . . . . . . . . . . . 4279.6 How SAN File System clients access data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4279.7 Non-uniform configuration client validation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 429 9.7.1 Client validation sample script details . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 430 9.7.2 Using the client validation sample script . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 431Chapter 10. File movement and lifecycle management . . . . . . . . . . . . . . . . . . . . . . . . 43510.1 Manually move and defragment files . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 436 10.1.1 Move a single file using the mvfile command . . . . . . . . . . . . . . . . . . . . . . . . . . 436 10.1.2 Move multiple files using the mvfile command . . . . . . . . . . . . . . . . . . . . . . . . . 439 10.1.3 Defragmenting files using the mvfile command . . . . . . . . . . . . . . . . . . . . . . . . 44110.2 Lifecycle management with file management policy . . . . . . . . . . . . . . . . . . . . . . . . . 441 10.2.1 File management policy syntax. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 442 10.2.2 Creating a file management policy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 442 10.2.3 Executing the file management policy. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 443 10.2.4 Lifecycle management recommendations and considerations . . . . . . . . . . . . . 446 Contents vii
  9. 9. Chapter 11. Clustering the SAN File System Microsoft Windows client . . . . . . . . . . 447 11.1 Configuration overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 448 11.2 Cluster configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 449 11.2.1 MSCS configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 449 11.2.2 SAN File System configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 450 11.3 Installing the SAN File System MSCS Enablement package . . . . . . . . . . . . . . . . . . 455 11.4 Configuring SAN File System for MSCS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 458 11.4.1 Creating additional cluster groups. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 468 11.5 Setting up cluster-managed CIFS share . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 468 Chapter 12. Protecting the SAN File System environment . . . . . . . . . . . . . . . . . . . . . 477 12.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 478 12.1.1 Types of backup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 478 12.2 Disaster recovery: backup and restore . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 479 12.2.1 LUN-based backup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 479 12.2.2 Setting up a LUN-based backup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 480 12.2.3 Restore from a LUN based backup. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 482 12.3 Backing up and restoring system metadata . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 484 12.3.1 Backing up system metadata . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 484 12.3.2 Restoring the system metadata . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 488 12.4 File recovery using SAN File System FlashCopy function . . . . . . . . . . . . . . . . . . . . 493 12.4.1 Creating FlashCopy image . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 494 12.4.2 Reverting FlashCopy images . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 498 12.5 Back up and restore using IBM Tivoli Storage Manager . . . . . . . . . . . . . . . . . . . . . . 502 12.5.1 Benefits of Tivoli Storage Manager with SAN File System . . . . . . . . . . . . . . . . 502 12.6 Backup/restore scenarios with Tivoli Storage Manager . . . . . . . . . . . . . . . . . . . . . . 503 12.6.1 Back up Windows data using Tivoli Storage Manager Windows client. . . . . . . 504 12.6.2 Back up user data in UNIX filesets with TSM client for AIX . . . . . . . . . . . . . . . 507 12.6.3 Backing up FlashCopy images with the snapshotroot option . . . . . . . . . . . . . . 510 Chapter 13. Problem determination and troubleshooting . . . . . . . . . . . . . . . . . . . . . . 519 13.1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 520 13.2 Remote access support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 520 13.3 Logging and tracing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 521 13.3.1 SAN File System Message convention . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 522 13.3.2 Metadata server logs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 525 13.3.3 Administrative and security logs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 528 13.3.4 Consolidated server message logs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 530 13.3.5 Client logs and traces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 530 13.4 SAN File System data collection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 534 13.5 Remote Supervisor Adapter II . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 537 13.5.1 Validating the RSA configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 538 13.5.2 RSA II management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 538 13.6 Simple Network Management Protocol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 543 13.6.1 SNMP and SAN File System. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 543 13.7 Hints and tips . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 546 13.8 SAN File System Message conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 547Part 4. Exploiting the SAN File System. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 551 Chapter 14. DB2 with SAN File System. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 553 14.1 Introduction to DB2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 554 14.2 Policy placement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 554 14.2.1 SMS tablespaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 554viii IBM TotalStorage SAN File System
  10. 10. 14.2.2 DMS tablespaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 555 14.2.3 Other data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 556 14.2.4 Sample SAN File System policy rules. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 556 14.3 Storage management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 557 14.4 Load balancing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 557 14.5 Direct I/O support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 558 14.6 High availability clustering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 560 14.7 FlashCopy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 560 14.8 Database path considerations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 560Part 5. Appendixes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 563 Appendix A. Installing IBM Directory Server and configuring for SAN File System 565 Installing IBM Tivoli Directory Server V5.1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 566 Creating the LDAP database . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 570 Configuring IBM Directory Server for SAN File System . . . . . . . . . . . . . . . . . . . . . . . . . . . 574 Starting the LDAP Server and configuring Admin Server . . . . . . . . . . . . . . . . . . . . . . . . . 577 Verifying LDAP entries . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 585 Sample LDIF file used . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 587 Appendix B. Installing OpenLDAP and configuring for SAN File System . . . . . . . . . 589 Introduction to OpenLDAP 2.0.x on Red Hat Linux . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 590 Installation of OpenLDAP packages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 590 Configuration of OpenLDAP client . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 591 Configuration of OpenLDAP server . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 592 Configure OpenLDAP for SAN File System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 594 Appendix C. Client configuration validation script . . . . . . . . . . . . . . . . . . . . . . . . . . . 597 Sample script listing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 598 Appendix D. Additional material . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 603 Locating the Web material . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 603 Using the Web material . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 603 System requirements for downloading the Web material . . . . . . . . . . . . . . . . . . . . . . . 603 How to use the Web material . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 604 Abbreviations and acronyms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 605 Related publications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 607 IBM Redbooks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 607 Other publications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 607 Online resources . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 608 How to get IBM Redbooks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 611 Help from IBM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 611 Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 613 Contents ix
  11. 11. x IBM TotalStorage SAN File System
  12. 12. Figures 1-1 SAN Management standards bodies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 1-2 CIMOM proxy model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 1-3 SNIA storage model. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 1-4 Intelligence moving to the network. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 1-5 In-band and out-of-band models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 1-6 Block level virtualization. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 1-7 IBM TotalStorage SAN Volume Controller. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 1-8 File level virtualization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 1-9 IBM TotalStorage SAN File System architecture . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 1-10 Summary of SAN Volume Controller and SAN File System benefits. . . . . . . . . . . . . 19 1-11 TPC for Fabric . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 1-12 TPC for Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 1-13 TPC for Disk functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 1-14 TPC for Replication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 1-15 Windows system hierarchical view . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 1-16 Windows file system security and permissions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 1-17 File system types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 1-18 Global namespace . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 2-1 SAN File System architecture . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 2-2 SAN File System administrative structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43 2-3 SAN File System GUI browser interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44 2-4 Global namespace . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47 2-5 Filesets and nested filesets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48 2-6 SAN File System storage pools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49 2-7 File placement policy execution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 2-8 Windows 2000 client view of SAN File System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55 2-9 Exploring the SAN File System from a Windows 2000 client. . . . . . . . . . . . . . . . . . . 55 2-10 FlashCopy images . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59 3-1 Mapping of Metadata and User data to MDS and clients . . . . . . . . . . . . . . . . . . . . . 68 3-2 Illustrating network setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72 3-3 Data classification example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79 3-4 SAN File System design . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84 3-5 SAN File System data migration process . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89 3-6 SAN File System data flow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93 3-7 Typical data and metadata flow for a generic application with SAN File System . . . 94 3-8 SAN File System changes the way we look at the Storage in today’s SANs. . . . . . . 97 4-1 LDAP tree . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102 4-2 Example of setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108 4-3 Verify disks are seen as 2145 disk devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111 5-1 SAN File System Console GUI sign-on window . . . . . . . . . . . . . . . . . . . . . . . . . . . 147 5-2 Select language for installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150 5-3 SAN File System Windows 2000 Client Welcome window . . . . . . . . . . . . . . . . . . . 150 5-4 Security Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 151 5-5 Configuration parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 152 5-6 Review installation settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 153 5-7 Security alert warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 153 5-8 Driver IBM SANFS Cluster Bus Enumerator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 154 5-9 Driver IBM SAN Volume Manager . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 154© Copyright IBM Corp. 2003, 2004, 2006. All rights reserved. xi
  13. 13. 5-10 Start SAN File System client immediately . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 155 5-11 Windows client explorer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 155 5-12 Windows 2000 client SAN File System drivers . . . . . . . . . . . . . . . . . . . . . . . . . . . . 156 5-13 Windows 20003 client SAN File System drivers . . . . . . . . . . . . . . . . . . . . . . . . . . . 156 5-14 SAN File System helper service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 157 5-15 Launch MMC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 158 5-16 Add the Snap-in for SAN File System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 158 5-17 Add Snap-in . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 159 5-18 Add the IBM TotalStorage System Snap-in . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 159 5-19 Add/Remove Snap-in. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 160 5-20 Save MMC console . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 160 5-21 Save MMC console to the Windows desktop. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 161 5-22 IBM TotalStorage File System Snap-in Properties . . . . . . . . . . . . . . . . . . . . . . . . . 161 5-23 DisableShortNames . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 162 5-24 Verify value for DisableShortNames . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 162 5-25 Trace Properties . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 163 5-26 Volume Properties . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 163 5-27 Modify Volume Properties . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 164 5-28 J2RE Setup Type. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 188 5-29 J2RE verify the install . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 189 5-30 SNMP Service Window . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 190 5-31 SNMP Service Properties . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 191 5-32 Verifying SNMP and SNMP Trap Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 192 5-33 Master Console installation wizard initial window . . . . . . . . . . . . . . . . . . . . . . . . . . 194 5-34 Set user account privileges . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 194 5-35 Adobe Installer Window . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 195 5-36 Master Console installation wizard information . . . . . . . . . . . . . . . . . . . . . . . . . . . . 196 5-37 Select optional products to install . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 197 5-38 Viewing the Products List. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 198 5-39 PuTTY installation complete . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 199 5-40 DB2 Setup wizard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200 5-41 DB2 select installation type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 201 5-42 DB2 select installation action . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 202 5-43 DB2 Username and Password menu. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 203 5-44 DB2 administration contact . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 204 5-45 DB2 instance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 205 5-46 DB2 tools catalog. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 206 5-47 DB2 administration contact . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 207 5-48 DB2 confirm installation settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 208 5-49 DB2 confirm installation settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 209 5-50 Verify DB2 install . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 210 5-51 Verify SVC console install . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 211 5-52 Select database repository . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 212 5-53 Specify single DB2 user ID . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 212 5-54 Enter DB2 user ID . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 213 5-55 Set trapdSharePort162 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 214 5-56 Define trapdTrapReceptionPort . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 215 5-57 Enter TSANM Manager name and port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 216 5-58 IBM Director Installation Directory window . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 217 5-59 IBM Director Service Account Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 217 5-60 IBM Director network drivers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 218 5-61 IBM Director database configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 218 5-62 IBM Director superuser . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 220xii IBM TotalStorage SAN File System
  14. 14. 5-63 Disk Management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2225-64 Upgrade to dynamic disk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2235-65 Verify both disks are set to type Dynamic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2235-66 Add Mirror . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2245-67 Select mirrored disk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2255-68 Mirroring process . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2255-69 Mirror Process completed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2265-70 Setting Folder Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2266-1 SAN File System console . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2457-1 Create PuTTY ssh session. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2537-2 SAN File System GUI login window. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2567-3 GUI welcome window . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2577-4 Information Center . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2587-5 Basic SAN File System configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2647-6 Select expand vdisk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2797-7 vdisk expansion window . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2807-8 Data LUN display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2817-9 Disk before expansion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2837-10 Disk after expansion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2847-11 Relationship of fileset to storage pool . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2887-12 Filesets from the MDS and client perspective . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2897-13 Nested filesets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2897-14 Nested filesets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2927-15 Windows Explorer shows cluster name sanfs as the drive label . . . . . . . . . . . . . . . 2937-16 List nested filesets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2947-17 MBCS characters in fileset attachment directory . . . . . . . . . . . . . . . . . . . . . . . . . . . 2967-18 Select properties of fileset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3017-19 ACL for the fileset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3027-20 Verify change of ownership . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3027-21 Windows security tab . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3037-22 Policy rules based file placement. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3067-23 Policies in SAN File System Console (GUI). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3127-24 Create a New Policy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3137-25 New Policy: High Level Settings sample input. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3147-26 Add Rules to Policy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3157-27 New rule created . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3167-28 Edit Rules for Policy. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3177-29 List of defined policies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3187-30 Activate Policy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3187-31 Verify Activate Policy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3197-32 New Policy activated . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3197-33 Delete a Policy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3207-34 Verify - Delete Policy Window . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3217-35 List Policies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3217-36 MBCS characters in policy rule . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3237-37 Generated SQL for MBCS characters in policy rule . . . . . . . . . . . . . . . . . . . . . . . . 3247-38 Select a policy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3267-39 Rules for selected policy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3267-40 Edited rule for Preallocation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3277-41 Activate new policy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3277-42 Disable default pool with GUI. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3317-43 Display policy statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3338-1 View Windows permissions on newly created fileset. . . . . . . . . . . . . . . . . . . . . . . . 341 Figures xiii
  15. 15. 8-2 Set permissions for Everyone group . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 341 8-3 Advanced permissions for Everyone . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 342 8-4 Set permissions on Administrator group to allow Full control . . . . . . . . . . . . . . . . . 343 8-5 View Windows permissions on winfiles fileset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 343 8-6 View Windows permissions on fileset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 345 8-7 Read permission for Everyone group . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 346 8-8 SAN File System user mapping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 347 8-9 Sample configuration for advanced heterogeneous file sharing . . . . . . . . . . . . . . . 350 8-10 Created Active Directory Domain Controller and Domain: sanfsdom.net . . . . . . . . 351 8-11 User Creation Verification in Active Directory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 351 8-12 SAN File System Windows client added to Active Directory domain. . . . . . . . . . . . 352 8-13 Sample heterogeneous file sharing LDAP diagram . . . . . . . . . . . . . . . . . . . . . . . . . 352 8-14 Log on as sanfsuser. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 368 8-15 Contents of svcfileset6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 369 8-16 unixfile.txt permissions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 369 8-17 Edit the file in Windows as sanfsuser and save it . . . . . . . . . . . . . . . . . . . . . . . . . . 370 8-18 Create the file on the Windows client as sanfsuser . . . . . . . . . . . . . . . . . . . . . . . . . 371 8-19 Show file contents in Windows as sanfsuser . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 371 8-20 winfile.txt permissions from Windows . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 373 9-1 Make FlashCopy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 377 9-2 Copy on write . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 377 9-3 The .flashcopy directory view. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 379 9-4 Create FlashCopy image GUI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 381 9-5 Create FlashCopy wizard. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 381 9-6 Fileset selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 382 9-7 Set Flashcopy image properties . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 382 9-8 Verify FlashCopy image properties . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 383 9-9 FlashCopy image created . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 383 9-10 List of FlashCopy images using GUI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 384 9-11 List of FlashCopy images before and after a revert operation . . . . . . . . . . . . . . . . . 386 9-12 Select image to revert . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 387 9-13 Delete Image selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 388 9-14 Delete Image verification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 388 9-15 Delete image complete . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 389 9-16 Data migration to SAN File System: data flow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 390 9-17 SAN File System overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 403 9-18 View statistics: client sessions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 404 9-19 Statistics: Storage Pools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 404 9-20 Console Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 405 9-21 Create report . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 405 9-22 View report. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 406 9-23 SAN File System failures and actions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 414 9-24 List of MDS in the cluster . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 416 9-25 List of filesets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 416 9-26 Metadata server mds3 missing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 417 9-27 Filesets list after failover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 417 9-28 Metadata server mds3 not started automatically . . . . . . . . . . . . . . . . . . . . . . . . . . . 418 9-29 Failback warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 418 9-30 Graceful stop of the master Metadata server. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 420 9-31 Metadata server mds2 as new master. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 420 9-32 Configuring SANFS for SNMP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 422 9-33 Selecting the event severity level that will trigger traps . . . . . . . . . . . . . . . . . . . . . . 422 9-34 Log into IBM Director Console . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 423xiv IBM TotalStorage SAN File System
  16. 16. 9-35 Discover SNMP devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4239-36 Compile a new MIB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4249-37 Select the MIB to compile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4249-38 MIB compilation status windows . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4259-39 Viewing all events in IBM Director . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4259-40 Viewing the test trap in IBM Director . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4269-41 Trap sent when an MDS is shutdown . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4269-42 Example of required client access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43010-1 Windows-based client accessing homefiles fileset . . . . . . . . . . . . . . . . . . . . . . . . . 43710-2 Verify file sizes in homefiles fileset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44311-1 MSCS lab setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44811-2 Basic cluster resources . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44911-3 Network Interfaces in the cluster . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45011-4 Cluster Resources . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45011-5 SAN File System client view of the global namespace . . . . . . . . . . . . . . . . . . . . . . 45111-6 Fileset directory accessible . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45411-7 Show permissions and ownership . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45411-8 Create a file on the fileset. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45511-9 Choose the installation language. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45611-10 License Agreement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45611-11 Complete the client information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45711-12 Choose where to install the enablement software . . . . . . . . . . . . . . . . . . . . . . . . . . 45711-13 Confirm the installation parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45811-14 New SANFS resource is created . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45911-15 Create a new cluster group . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45911-16 Name and description for the group. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46011-17 Specify preferred owners for group . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46011-18 Group created successfully . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46111-19 ITSOSFSGroup displays . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46111-20 Create new resource . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46211-21 New resource name and description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46211-22 Select all nodes as possible owners . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46311-23 Enter resource dependencies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46311-24 SAN File System resource parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46411-25 Display filesets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46411-26 Fileset for cluster resource selected . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46511-27 Cluster resource created successfully . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46511-28 New resource in Resource list . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46611-29 Bring group online . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46611-30 Group and resource are online . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46711-31 Resource moves ownership on failures. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46711-32 Resource stays with current owner after rebooting the original owner . . . . . . . . . . 46811-33 Create IP Address resource. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46911-34 IP address resource: General properties . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46911-35 IP address resource: Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47011-36 Network Name resource: General properties . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47111-37 Network Name resource: Dependencies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47111-38 Network Name resource: Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47211-39 File Share resource: General properties . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47211-40 File Share resource: dependencies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47311-41 File Share resource: parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47311-42 All file share resources online . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47411-43 Designate a drive for the CIFS share. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 474 Figures xv
  17. 17. 11-44 CIFS client access SAN File System via clustered SAN File System client . . . . . . 475 11-45 Copy lots of files onto the share. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 475 11-46 Drive not accessible. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 476 12-1 SVC FlashCopy relationships and consistency group . . . . . . . . . . . . . . . . . . . . . . . 481 12-2 Metadata dump file creation start. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 485 12-3 Metadata dump file name . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 486 12-4 DR file creation final step . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 486 12-5 Delete/remove the metadata dump file . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 487 12-6 Verify deletion of the metadata dump file. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 487 12-7 FlashCopy option window GUI. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 494 12-8 FlashCopy Start GUI window. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 495 12-9 Select Filesets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 495 12-10 Set Properties of FlashCopy images . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 496 12-11 Verify FlashCopy settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 497 12-12 FlashCopy images created . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 497 12-13 Windows client view of the FlashCopy images . . . . . . . . . . . . . . . . . . . . . . . . . . . . 498 12-14 Client file delete . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 499 12-15 FlashCopy image revert selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 499 12-16 Image restore / revert verification and restore . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 500 12-17 Remaining FlashCopy images after revert. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 501 12-18 Client data restored . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 501 12-19 Exploitation of SAN File System with Tivoli Storage Manager. . . . . . . . . . . . . . . . . 502 12-20 User files selection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 504 12-21 Restore selective file selection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 505 12-22 Select destination of restore file(s). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 506 12-23 Restore files selection for FlashCopy image backup . . . . . . . . . . . . . . . . . . . . . . . . 506 12-24 Restore files destination path selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 507 13-1 IBM Connection Manager . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 520 13-2 Steps for remote access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 521 13-3 SAN File System message format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 522 13-4 Event viewer on Windows 2000. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 531 13-5 OBDC from GUI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 534 13-6 Remote Supervisor Adapter II . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 537 13-7 RSAII interface using Internet Explorer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 539 13-8 Accessing remote power using RSAII . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 540 13-9 Access BIOS log using RSAII . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 541 13-10 Java Security Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 542 13-11 RSA II: Remote control buttons . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 542 13-12 ASM Remote control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 543 13-13 SNMP configuration on RSA II. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 544 14-1 Example storage pool layout for DB2 objects . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 556 14-2 Workload distribution of filesets for DB2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 558 14-3 Default data caching . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 559 14-4 Directory structure information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 561 A-1 Select location where to install. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 566 A-2 Language selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 567 A-3 Setup type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 567 A-4 Features to install. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 568 A-5 User ID for DB2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 568 A-6 Installation summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 569 A-7 GSKit pop-up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 569 A-8 Installation complete . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 570 A-9 Configuration tool. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 570xvi IBM TotalStorage SAN File System
  18. 18. A-10 User ID pop-up. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 571A-11 Enter LDAP database user ID . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 571A-12 Enter the name of the database. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 572A-13 Select database codepage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 572A-14 Database location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 573A-15 Verify database configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 573A-16 Database created. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 574A-17 Add organizational attribute . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 575A-18 Browse for LDIF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 576A-19 Start the import . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 577A-20 IBM Directory Server login . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 578A-21 IBM Directory Server Web Administration Tool . . . . . . . . . . . . . . . . . . . . . . . . . . . . 579A-22 Change admin password . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 580A-23 Add host. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 581A-24 Enter host details . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 582A-25 Verify that host has been added . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 583A-26 Login to local host name . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 584A-27 Admin console . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 585A-28 Manage entries . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 586A-29 Expand ou=Users . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 586 Figures xvii
  19. 19. xviii IBM TotalStorage SAN File System

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