Microsoft Virtual Server
       Host Clustering


  Sean Riordan (Stanford University)
Project Drivers
   Currently running MS Virtual Server 2005
   Reduce threat vectors on host servers
   Test HA options...
Usage/Hardware Growth
      Small Department Computer Usage Over 2 Years
 2

                                       70% >
...
Stand Alone Virtual Server?

      Virtual            Virtual              Virtual
     Machine            Machine        ...
Objectives

 Remove IIS from all the Host Servers
 Test the remote admin web site
 Test the cluster and failover
VS Admin Web Site

       IIS
                   VM     VM        VM
  Windows Server
                               VM   ...
Pros/Cons of Admin Web Site
Pros
■   Allows for one URL and IIS server to manage N
    number of virtual host severs
■   I...
Demo
The Cluster Hardware
 Admin Web               PowerEdge
                            1650




   Server


    Host1        ...
Shared Storage Layout

                     18         18              18 GB
                     GB         GB    Q:
    ...
The Cluster Build Out
   Challenges to Over Come
     Each  6650 only had 1 RAID Controller
     Had to figure out how ...
Pros/Cons of Host Cluster

Pros
   Very easy to setup
   Documentation is clear

Cons
   Havm.vbs will Only start, stop...
Demo
Development Options
   COM API
     Managed  Code or VBScript
     Automation Options
       Customized the Havm.vbs t...
Future
 Cluster with SAN and iSCSI Storage
 Add second NIC to each Node to separate
  the Guest and Host traffic
 Testi...
Where is this Usable?
 Development/Testing
 Training
 Production (Standalone)
Questions &
 Answers
URLs
  http://www.microsoft.com/windowsserversyste
   m/systemcenter/scvmm/default.mspx
  http://blogs.msdn.com/virtual_...
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  1. 1. Microsoft Virtual Server Host Clustering Sean Riordan (Stanford University)
  2. 2. Project Drivers  Currently running MS Virtual Server 2005  Reduce threat vectors on host servers  Test HA options for Production VM  Lots of physical servers using < 30% resources  Data Center running out of power  Hardware growing faster then our user base
  3. 3. Usage/Hardware Growth Small Department Computer Usage Over 2 Years 2 70% > 1.8 Comp Power 1.6 Today 1.4 1.2 1 7% User Growth 0.8 2005-Q1 2005-Q2 2005-Q3 2005-Q4 2006-Q1 2006-Q2 2006-Q3 2006-Q4 Server Performance Users
  4. 4. Stand Alone Virtual Server? Virtual Virtual Virtual Machine Machine Machine IIS Virtual Server Application Operating System Hardware
  5. 5. Objectives  Remove IIS from all the Host Servers  Test the remote admin web site  Test the cluster and failover
  6. 6. VS Admin Web Site IIS VM VM VM Windows Server VM VM VM Hardware Virtual Server App Windows Server Server App Virtual Windows Server Hardware Hardware
  7. 7. Pros/Cons of Admin Web Site Pros ■ Allows for one URL and IIS server to manage N number of virtual host severs ■ Installation and usage were very easy to use Cons  If the admin web server is offline there is no management of the guests  Can only see one host server at a time
  8. 8. Demo
  9. 9. The Cluster Hardware Admin Web PowerEdge 1650 Server Host1 text Public (Node1) PowerEdge Net 6650 Private Net Host2 text (Node2) PowerEdge 6650 SCSI SCSI Shared Storage (SCSI)
  10. 10. Shared Storage Layout 18 18 18 GB GB GB Q: Raid-1 72 72 66 GB 72 72 66 GB E: GB GB G: GB GB Raid-1 Raid-1 72 72 66 GB 72 72 66 GB GB GB F: GB GB H: Raid-1 Raid-1
  11. 11. The Cluster Build Out  Challenges to Over Come  Each 6650 only had 1 RAID Controller  Had to figure out how to configure the RAID controller for shared storage  Needed to set each RAID controller to a separate SCSI ID (default is 7)  MS Cluster can only manage LUNs not partitions on LUNs  Layout of the disks
  12. 12. Pros/Cons of Host Cluster Pros  Very easy to setup  Documentation is clear Cons  Havm.vbs will Only start, stop VM node it is set to watch  There is no failover management from the admin web console, need to use cluster admin
  13. 13. Demo
  14. 14. Development Options  COM API  Managed Code or VBScript  Automation Options  Customized the Havm.vbs to support more then one guest  Save state on all VMs  Start up VMs in a specific order  List all VMs on all Guests  Get Network usage on VMs
  15. 15. Future  Cluster with SAN and iSCSI Storage  Add second NIC to each Node to separate the Guest and Host traffic  Testing the new System Center Virtual Machine Manager  Test Intel VT technology
  16. 16. Where is this Usable?  Development/Testing  Training  Production (Standalone)
  17. 17. Questions & Answers
  18. 18. URLs  http://www.microsoft.com/windowsserversyste m/systemcenter/scvmm/default.mspx  http://blogs.msdn.com/virtual_pc_guy/default. aspx  http://www.microsoft.com/technet/prodtechnol/ virtualserver/deploy/cvs2005.mspx  http://www.microsoft.com/downloads/details.a spx?FamilyID=09cc042b-154f-4eba-a548- 89282d6eb1b3&displaylang=en

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