Windows Server 2008 R2 High Availability
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Transcript of Windows Server 2008 R2 High Availability
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Windows Server 2008 R2High Availability
Steve Evanshttp://SerkTools.com
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• Microsoft MVP, Directory Services• Blog – http://SerkTools.com• Twitter - @scevans• SerkTools (http://SerkTools.com)– Content Creation/Delivery• Screencast, Whitepapers, Blogging, Events
– Consulting• Microsoft IT Infrastructure (Active Directory, SQL,
SharePoint, Exchange, Identity, etc)
Steve Evans
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Stand Alone
Application
Data
Free
Simple
Good Enough?
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Application Redundancy
Application
Data
Application
Data
AD/DNS/SMTP
Protocol Support
Perfect!
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Load Balancer
Application
Data
Application
Data
Load Balancer
Web Servers
Remote Desktop Services
App Support Helps
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Fail Over Clustering
Application
Data
Application
Data
File Services/SQL
Shared Storage
Complicated
Expensive
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No Majority: Disk Only
Shared Volume
Single Point of Failure
Old School == BAD!
Cluster Config
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Node Majority
Each Node Gets 1 Vote
Cluster Requires Majority
Cluster Config
Cluster Config
Cluster Config
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Node & Disk Majority
Shared Volume
Shared Disk can have 1 voteEven # of Nodes
Cluster Config
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Multi Site Clustering
Dedicated Volume
Dedicated VolumeReplication
File Share Witness
VERY Complicated
Replication by 3rd Party
Cloud for File Share Witness?
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File Server Cluster
vol0
vol1
vol2
Cluster Group Type: DFS RootNetwork Name: serk-file
Disk: vol0IP Address
Cluster Group Type: File ServerNetwork Name: serk-file-01
File Share: share$Disk: vol1IP Address
Cluster Group Type: File ServerNetwork Name: serk-file-02
File Share: share$Disk: vol2IP Address
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DFS Client Experience
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Hyper-V Live Migrate
Guest Level Clustering
Application Agnostic
Simplified Guests
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PowerShell Support
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Top Windows Failover cmdlets
Add-ClusterDiskAdd/Remove-ClusterNodeAdd/Remove-ClusterGroupGet/Set-ClusterQuorom
Get/Set-ClusterLogMove-ClusterGroupNew-ClusterTest-Cluster
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• Microsoft MVP, Directory Services• Blog – http://SerkTools.com• Twitter - @scevans• SerkTools (http://SerkTools.com)– Content Creation/Delivery• Screencast, Whitepapers, Blogging, Events
– Consulting• Microsoft IT Infrastructure (Active Directory, SQL,
SharePoint, Exchange, Identity, etc)
Steve Evans