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This video focuses on the notifications, alerts, and approval requests using Slack for Bonterra Impact Management. The solutions covered in this webinar can also be deployed for Microsoft Teams.
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GDG Cloud Southlake #33: Boule & Rebala: Effective AppSec in SDLC using Deplo...James Anderson
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Bob Boule
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Cheryl Hung, ochery.com
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In this webinar, we will review the benefits of leveraging InfluxDB and Grafana when executing load tests and demonstrate how these tools are used to visualize performance metrics.
Length: 30 minutes
Session Overview
-------------------------------------------
During this webinar, we will cover the following topics while demonstrating the integrations of JMeter, InfluxDB and Grafana:
- What out-of-the-box solutions are available for real-time monitoring JMeter tests?
- What are the benefits of integrating InfluxDB and Grafana into the load testing stack?
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Get more out of your san with ibm tivoli storage manager sg246687
1. Front cover
Get More Out of Your SAN
with IBM Tivoli Storage
Manager
Provides detailed planning, installation,
and configuration scenarios
Describes new features for Tivoli
Storage Manager V5.3
Includes flowcharts for
troubleshooting
Charlotte Brooks
Michel Baus
Denver Daley
Richard Lanicca
ibm.com/redbooks
18. Trademarks
The following terms are trademarks of the International Business Machines Corporation in the United States,
other countries, or both:
Eserver® AIX® Redbooks™
Eserver® Domino® RS/6000®
Redbooks (logo) ™ DB2® SANergy®
ibm.com® Enterprise Storage Server® Tivoli®
iSeries™ FlashCopy® TotalStorage®
pSeries® HACMP™ Wave®
z/OS® IBM® WebSphere®
zSeries® Lotus® 1-2-3®
AIX 5L™ Magstar® 3090™
The following terms are trademarks of other companies:
Java and all Java-based trademarks and logos are trademarks or registered trademarks of Sun
Microsystems, Inc. in the United States, other countries, or both.
Microsoft, Windows, Windows NT, and the Windows logo are trademarks of Microsoft Corporation in the
United States, other countries, or both.
UNIX is a registered trademark of The Open Group in the United States and other countries.
Linux is a trademark of Linus Torvalds in the United States, other countries, or both.
SAP, R/3, mySAP, mySAP.com, xApps, xApp, SAP NetWeaver and other SAP products and services
mentioned herein as well as their respective logos are trademarks or registered trademarks of SAP AG in
Germany and in several other countries all over the world. All other product and service names mentioned are
the trademarks of their respective companies. Data contained in this document serves informational purposes
only. National product specifications may vary.
Other company, product, and service names may be trademarks or service marks of others.
xvi Get More Out of Your SAN with IBM Tivoli Storage Manager
20. Michel Baus is an IT Architect at System Vertrieb Alexander SVA GmbH, an IBM Premier
Business Partner in Germany. He has 10 years of experience in the Tivoli Storage and
Systems Management topics and is an IBM Certified Deployment Professional for various
products. He holds a degree in Sensor Systems Technology from University of Applied
Sciences in Karlsruhe, Germany. His areas of expertise include disk and tape subsystems,
SAN, pSeries and xSeries. He has been co-author of three previous Redbooks.
Denver Daley is an Advisory IT Specialist within the Data Infrastructure Practice at IBM
Global Services, in Canada. He has 8 years of experience with IBM Tivoli Storage Manager
and other related storage products. He has worked at IBM for 7 1/2 years. His areas of
expertise include consulting, planning and implementation of IBM Tivoli Storage Manager.
Richard Lanicca is a Technical Services Professional at IBM Global Services, Strategic
Outsourcing in Switzerland. He has seven years of experience in IT field and has worked at
IBM for three years. He holds a degree in telecommunications from University of Applied
Sciences in Chur, Switzerland. His areas of expertise include planning, implementation and
maintenance of Tivoli Storage products, high-end storage solutions, virtualization and SAN
environments.
Thanks to the following people for their contributions to this project:
Emma Jacobs, Deanna Polm
ITSO, San Jose Center
Gerd Basel, John Marshall, Hans-Joachim Renger, Ernesto Puig Rodriguez, Andreas Uhl
IBM Boeblingen
Bruce Fong, Jo Lay, Tom Hepner, Claire Rankin
IBM San Jose
Randy Larson
IBM Winston Salem
Bill Baxter, Janet Bolton, Rob Elder, Harry Husfelt, David Kosick, Kathy Mitton, Diem Nguyen,
Charlie Nichols, Rosa Plaza, Harley Puckett
IBM Tucson
Amit Sinha
StorageTek
Christian Graf
SAP
Become a published author
Join us for a two- to six-week residency program! Help write an IBM Redbook dealing with
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technologies. You'll team with IBM technical professionals, Business Partners or customers.
Your efforts will help increase product acceptance and customer satisfaction. As a bonus,
you'll develop a network of contacts in IBM development labs, and increase your productivity
and marketability.
Find out more about the residency program, browse the residency index, and apply online at:
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xviii Get More Out of Your SAN with IBM Tivoli Storage Manager
21. Comments welcome
Your comments are important to us!
We want our Redbooks to be as helpful as possible. Send us your comments about this or
other Redbooks in one of the following ways:
Use the online Contact us review redbook form found at:
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Dept. QXXE Building 80-E2
650 Harry Road
San Jose, California 95120-6099
Preface xix
22. xx Get More Out of Your SAN with IBM Tivoli Storage Manager
24. 1.1 Overview of Storage Area Network
A Storage Area Network (SAN) is a high speed network that allows computer systems,
applications, and storage devices to be directly interconnected. A SAN allows businesses to
consolidate computer systems, applications, and storages to reduce cost and increase
availability, accessibility, and reliability.
Figure 1-1 illustrates the common components in a SAN configuration. In a SAN, Host Bus
Adapters (HBAs) are installed on each system (server) and are connected to the shared
storage devices via a SAN fabric of switches, directors, bridges, or hubs.
Heterogeneous JBOD
Servers
zSeries
ESS
Windows
Hub
UNIX Tape
Switch
Director Bridge
pSeries Shared
Storage
Devices
SSA
FastT
LINUX
iSeries
Figure 1-1 Common SAN components
A SAN configuration allows for improved methods to transfer data when compared with the
traditional LAN infrastructure. Improvements include:
Improved performance and data transfer flexibility
Transferring data over the SAN is faster because Fibre Channel (at 2 or 4 Gbps) is the
typical means that is used for connection. SAN is also faster because the data transfer
can bypass the bottleneck that can be experienced on traditional LANs.
The SAN allows data to be transferred from computers to other computers, from
computers to storage devices, or from storage devices to other storage devices.
Improved availability
SAN multiple data paths allow for better accessibility and reliability.
Support for open system connectivity
Heterogeneous operating system platforms can share the same storage devices, which
allows for better use of storage and reductions in storage costs.
Highly scalable
SAN components, such as additional storage devices, can be added easily to meet
growing needs.
Fibre Channel SANs are most commonly used. However, IP SANs are becoming popular.
Some drawbacks of Fibre Channel SANs include its expensive costs and its complicated
implementation, especially when businesses do not possess the necessary expertise.
2 Get More Out of Your SAN with IBM Tivoli Storage Manager
25. For more detailed information about SAN, refer to Introduction to Storage Area Network,
SG24-5470.
1.2 Introduction to Tivoli Storage Manager
Tivoli Storage Manager is an enterprise-wide storage management and data recovery
solution. It offers automated storage management services to a variety of operating systems
and applications and multiple options for protecting data. Backup types include file system
type backups, archives, space managed file system, data protection for application data, and
more. Tivoli Storage Manager uses and takes advantage of many disk and tape devices that
are available today. It consists of the following components:
The server
The server is used to manage the storage services and includes the database and
recovery log. It also manages and stores data that pertains to such things as, policy
information, storage devices, client nodes, and scheduling.
The server is managed via the command line interface or the Administration Center.
The client
When installed, the client software allows the server to protect and manage a machine’s
data. The types of client software that are available include the backup and archive client,
data protection for applications, application program interface (API), and use of Network
Data Management Protocol (NDMP) for network attached storage (NAS) file servers
Tivoli Storage Manager for Space Management
Used to manage space on workstations by migrating aged data to the Tivoli Storage
Manager server automatically, based on criterias that are set.
Storage Agent
Used in a LAN-free client configuration to allow client data to be transferred to the Tivoli
Storage Manager server over a SAN path to tape storage or disk storage (using
SANergy).
Chapter 1. Introduction to SANs and IBM Tivoli Storage Manager 3
26. 1.3 Tivoli Storage Manager SAN functions
The rapid advancement of SAN technology in recent years has corresponded in increasing
adoption of SAN implementations. In keeping pace with the requirements to support SANs,
Tivoli Storage Manager has been enhanced continually to provide customers with desired
functions to manage their storage. Tivoli Storage Manager clients and servers can share and
exploit SAN-attached devices to allow a consolidated and improved use of storage.
The currently available Tivoli Storage Manager SAN functions are:
LAN-free backup to tape
With a LAN-free backups to tape, a SAN-attached client machine can send data directly to
a SAN-attached tape device. This is made possible by the use of the Storage Agent. The
Storage Agent acts as a miniature version of the Tivoli Storage Manager server and has
the capability of writing or reading a client’s data to or from the SAN-attached tape device.
The Storage Agent is installed on a SAN-attached Tivoli Storage Manager client machine
that sends data directly or, optionally, acts as a proxy for LAN-free transfer from a
LAN-attached system. With the use of the Storage Agent, data transfer workload is
off-loaded from the LAN. Because the Storage Agent performs the direct writes and reads,
there is also less work for the Tivoli Storage Manager server.
Figure 1-2 illustrates the data flow of a traditional LAN-based backup. The Tivoli Storage
Manager backup and archive client initiates the backup, and the data is sent over the LAN
via the Tivoli Storage Manager server to an attached storage device, disk or tape.
Tivoli St orage Manager Server
Client
Disk
STG Pool
Client Dat a
LAN
Tape Library
Figure 1-2 Traditional LAN based backup
Figure 1-3 on page 5 shows the data flow with LAN-free backup to tape. The Tivoli
Storage Manager backup and archive client initiates the backup as before. The Storage
Agent communicates with the Tivoli Storage Manager server to send metadata about the
backup and to coordinate the use of the SAN-attached tape library. It then sends the data
over the SAN directly to that tape library. You can find more details about LAN-free tape
backup in Chapter 7, “LAN-free backup to tape” on page 171.
4 Get More Out of Your SAN with IBM Tivoli Storage Manager
27. Tivoli Storage Manager Client
and Storage Agent Tivoli Storage Manager Server
Library Control
Client Metadata
LAN
Client Data Library Control
SAN
File Library Tape Library
Figure 1-3 LAN-free tape and disk backup
LAN-free backup to disk
LAN-free backup to disk works similarly to LAN-free backup to tape, except that the data is
written directly to or read from a SAN-attached disk device rather than a tape library. This
configuration requires the use of the Tivoli SANergy file sharing software.
Figure 1-3 also shows the data flow with LAN-free backup to disk. The Tivoli Storage
Manager backup and archive client initiates the backup as before. The Storage Agent
communicates with the Tivoli Storage Manager server to send metadata about the backup
and to coordinate the use of the SAN-attached disk device. It then sends the data over the
SAN directly to the disk device. In this case, the disk emulates a sequential device and is
known as a file library. You can find more details about LAN-free disk backup in Chapter 8,
“LAN-free backup to disk” on page 207.
Server-free backup
With server-free backup, client data is written from a SAN-attached disk device directly to
a SAN-attached tape device. This is made possible through use of data movers, such as a
SAN Data Gateway (SDG), that uses SCSI-3 extended copy functions to actually copy the
data. With the data movement occurring from the SAN-attached disk device directly to the
SAN-attached tape device, workload is reduced on both the Tivoli Storage Manager client
and server.
Figure 1-4 on page 6 shows the data movement in a server-free setup. You can find more
details about server-free backup in Chapter 10, “Server-free data movement” on
page 267.
Chapter 1. Introduction to SANs and IBM Tivoli Storage Manager 5
28. Control Information
Data Flow
LAN
Tivoli Tivoli
Storage Storage
Manager Manager
Client Server
LVSA
SAN
Tivoli Storage
Manager Server
managed
Data Mover tape library
Figure 1-4 Server-free data movement
FlashCopy (split mirror) backups via the SAN
FlashCopy backups use a disk-based instant copy function, to copy a production host’s
data to a less critical host. This less critical host then performs the backup, over the SAN,
to the Tivoli Storage Manager server. This removes any performance impact of the
backup from the production server.
This method is used by Data Protection for IBM Enterprise Storage Server® (ESS). With
business’ critical databases residing on an ESS, Data Protection for ESS uses the ESS
FlashCopy function to off-load the transfer of backup data from the production database
server to a backup (secondary) database server. This method eliminates nearly all backup
related performance impact from the production database server. Data Proctection for
ESS is available for DB2® ,Oracle™, and mySAP databases.
Figure 1-5 on page 7 shows the data movement in FlashCopy as used with Data
Protection for ESS. The production and backup server (system) both access disk space
on the ESS. FlashCopy is used to create a copy of the production server database to the
backup server. The Tivoli Storage Manager Backup-Archive Client and Storage Agent can
then be used to perform a LAN-free backup of the database directly to the tape library.
You can find an example of FlashCopy backup in Chapter 11, “Tivoli Storage Manager for
Hardware — Data Protection for ESS for mySAP™” on page 293.
6 Get More Out of Your SAN with IBM Tivoli Storage Manager