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Dondi Vigesaa Operations Engineer Microsoft Corporation [email protected] How Microsoft IT Deploys Windows Server 2008 Failover Clusters for File Services. Microsoft IT File Service Utility group situation Method for updating Windows Server 2008 failover cluster nodes

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dondi vigesaa operations engineer microsoft corporation dondiv@microsoft com
Dondi Vigesaa

Operations Engineer

Microsoft Corporation

[email protected]

How Microsoft IT Deploys Windows Server 2008 Failover Clusters for File Services

agenda
Microsoft IT File Service Utility group situation

Method for updating Windows Server 2008 failover cluster nodes

Approach for migrating from Windows Server 2003 to Windows Server 2008 cluster nodes

Lessons learned

Best practices

Agenda
what we will cover
What We Will Cover

Microsoft IT business drivers

Windows Server 2008 failover clustering technologies

Distributed File System services

Storage Area Network concepts

prerequisite knowledge
Understanding of

General server concepts

High-level failover clustering concepts

Basic networking concepts

Basic Storage Area Network concepts

Prerequisite Knowledge

Level 200

situation microsoft it
SituationMicrosoft IT

File Services Utility (FSU) Group

Provides file services in four primary datacenters

Dublin, Ireland

Kawaguchi, Japan

Redmond, WA, USA

Singapore, Singapore

Provides access to over 200 TB of data

Handles shares from 20 GB to 300 GB in size

situation migration business drivers
SituationMigrationBusiness Drivers

Simplified administration

Support for more users with the same number of administrators

Increased uptime through the use of fewer administrative consoles

Support for more users through Distributed File Services namespace

Support for larger cluster disk volumes

reasons for using windows server 2008 key benefits
Reasons for Using Windows Server 2008 Key Benefits

SCSI-3 persistent reservations used

Domain user account not required by cluster service

Node names, cluster name, and network names are Active Directory Computer Name Objects (CNOs)

Kerberos-only authentication is the default authentication mechanism

reasons for using windows server 2008 key benefits cont d
Reasons for Using Windows Server 2008 Key Benefits (cont’d)

Full support for Volume Shadowcopy Service (VSS) for easier backups

Support for disk volumes larger than 2 TB

Centralized administration interface leverages MMC 3.0

solution requirements
SolutionRequirements

Protection of disk resources during migration

In-place migration that requires no new server hardware or storage hardware

Clearly defined and reliable roll-back plan by keeping one or more Windows Server 2003 cluster nodes in reserve

Simple process that does not require a large team

solution requirements cont d
SolutionRequirements (cont’d)

Availability of service during migration

Clearly communicated and managed migration process

Scheduled migrations during hours of least impact to users

solution overview
SolutionOverview

Move cluster resources to a single active node

Install Windows Server 2008 on passive node in a new cluster group

Migrate cluster resources to Windows Server 2008 node

Install Windows Server 2008 on remaining cluster node

slide12

demonstration

Migration Process

  • Move all cluster resources to a single node
  • Take passive node offline
  • Unmask storage from passive node
  • Format and install Windows Server 2008 on passive node
  • Mask storage
migrating to windows server 2008 typical configuration
Migrating to Windows Server 2008Typical Configuration
  • Active/Passive configuration
  • Shared storage
  • Dedicated cluster heartbeat connection
  • Dedicated public network connection
migrating to windows server 2008 consolidate resources on single node
Migrating to Windows Server 2008Consolidate resources on single node
  • Move all cluster resources to the active node
migrating to windows server 2008 take passive node offline
Migrating to Windows Server 2008Take passive node offline
  • Shut down passive node
  • Mask SAN storage from passive node (note the disconnected storage on the passive node)
migrating to windows server 2008 install windows server 2008
Migrating to Windows Server 2008Install Windows Server 2008
  • Format the passive node, and install Windows Server 2008
migrating to windows server 2008 configure new node unmask storage
Migrating to Windows Server 2008Configure new node & unmask storage
  • Unmask SAN storage
  • Configure shared storage in Windows Server 2008
  • Configure a new, distinct cluster group
migrating to windows server 2008 migrate resources to new node
Migrating to Windows Server 2008Migrate resources to new node
  • Check to make sure that no clustered applications or file shares have dependencies set for cluster group resources
  • Use the Cluster Resource Migration wizard to migrate clustered file shares and applications to the Windows Server 2008 failover cluster
migrating to windows server 2008 take remaining node offline
Migrating to Windows Server 2008Take remaining node offline
  • After all applications and file shares are migrated and tested, power down the remaining Windows Server 2003 node
  • Mask storage from the remaining Windows Server 2003 node
migrating to windows server 2008 install and configure new node
Migrating to Windows Server 2008Install and configure new node
  • Install Windows Server 2008 on the new cluster node
migrating to windows server 2008 move cluster resources back to original locations
Migrating to Windows Server 2008Move cluster resources back to original locations
  • Unmask SAN connection
  • Join the new node to the cluster group
  • Move cluster applications and resources back to original locations
slide22

demonstration

Cluster Failover Process

  • Take active node offline
  • Update or repair offline node
  • Bring passive node online to support cluster resources
updating windows server 2008 failover clusters typical configuration
Updating Windows Server 2008 Failover ClustersTypical Configuration
  • Active/Passive configuration
  • Shared storage
  • Dedicated cluster heartbeat connection
  • Dedicated public network connection
updating windows server 2008 failover clusters consolidate resources
Updating Windows Server 2008 Failover ClustersConsolidate resources
  • Move all cluster resources to the active node
  • Failover process streamlined in Windows Server 2008 failover clusters – faster than ever
  • Install updates on the offline node
updating windows server 2008 failover clusters move resources to updated node
Updating Windows Server 2008 Failover ClustersMove resources to updated node
  • Move all cluster resources to the recently updated node
  • Test and verify application updates
updating windows server 2008 failover clusters update offline node
Updating Windows Server 2008 Failover ClustersUpdate offline node
  • Install updates on the offline node
updating windows server 2008 failover clusters move resources back to original node
Updating Windows Server 2008 Failover ClustersMove resources back to original node
  • Move all cluster resources to the original node
benefits
Benefits

Support for more cluster nodes, now a maximum of 16 per cluster group

Support for larger volumes, now greater than 2 TB with GPT partitions

Centralized management with new MMC 3.0–based console

Migration wizard

Greatly simplifies moving cluster resources from Windows Server 2003 to Windows Server 2008 clusters

best practices
Best Practices

Cluster resources

Clearly define cluster dependencies to reduce resource conflicts during migrations

Migration wizard

Use to simplify moving cluster resources from Windows Server 2003 to Windows Server 2008 clusters

Storage signatures

Windows Server 2008 SCSI-3 signatures do not overwrite Windows Server 2003 cluster signatures

best practices cont d
Best Practices(cont’d)

Storage masking

Allows for existing hardware to be re-used without risking production data

Allows for simple disconnect and reconnect of production storage during the upgrade process

Phased migration

Provides the ability to apply lessons learned from previous deployments, improving the migration approach

lessons learned
Lessons Learned

Active/Passive node pairs provide a scalable approach to deploying clusters

Distributed File System namespace allows a single cluster to provide DFS services to multiple namespaces, even disjoined namespaces

New management interface provides greater functionality, empowering administrators with greater control and efficiency

session summary
Session Summary

Windows Server 2008 failover clusters bring many new benefits for highly available services and applications

Migration wizard greatly simplifies migrations

Optimized cluster components offer greater performance and manageability

next steps
Next Steps

For more information about Microsoft, visithttp://www.microsoft.com

For more information about Microsoft IT, visithttp://www.microsoft.com/technet/itshowcase

Windows Server 2008 resources:http://www.microsoft.com/windowsserver2008

for more information
Visit TechNet at www.microsoft.com/technet

For additional information about books, courses, and other community resources that support this session, visit http://technet2.microsoft.com/windowsserver2008/ and http://www.microsoft.com/learning/windowsserver2008/default.mspx

For More Information…
questions and answers
Questions and Answers

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