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Windows Server 2008 R2 High Availability. Steve Evans http://SerkTools.com. Steve Evans. Microsoft MVP, Directory Services Blog – http://SerkTools.com Twitter - @scevans SerkTools ( http://SerkTools.com ) Content Creation/Delivery Screencast, Whitepapers, Blogging, Events Consulting
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Windows Server 2008 R2High Availability Steve Evans http://SerkTools.com
Steve Evans • 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)
Stand Alone Free Simple Good Enough? Application Data
Application Redundancy AD/DNS/SMTP Protocol Support Perfect! Application Application Data Data
Load Balancer Load Balancer Web Servers Remote Desktop Services App Support Helps Application Application Data Data
Fail Over Clustering Application Application File Services/SQL Shared Storage Complicated Expensive Data Data
No Majority: Disk Only Old School == BAD! Shared Volume Cluster Config Single Point of Failure
Node Majority Each Node Gets 1 Vote Cluster Requires Majority Cluster Config Cluster Config Cluster Config
Node & Disk Majority Shared Disk can have 1 vote Even # of Nodes Shared Volume Cluster Config
Multi Site Clustering File Share Witness VERY Complicated Replication by 3rd Party Cloud for File Share Witness? Dedicated Volume Dedicated Volume Replication
File Server Cluster Cluster Group Type: DFS Root Network Name: serk-file Disk: vol0 IP Address vol0 Cluster Group Type: File Server Network Name: serk-file-01 File Share: share$ Disk: vol1 IP Address vol1 Cluster Group Type: File Server Network Name: serk-file-02 File Share: share$ Disk: vol2 IP Address vol2
Hyper-V Live Migrate Guest Level Clustering Application Agnostic Simplified Guests
Top Windows Failover cmdlets Add-ClusterDisk Add/Remove-ClusterNode Add/Remove-ClusterGroup Get/Set-ClusterQuorom Get/Set-ClusterLog Move-ClusterGroup New-Cluster Test-Cluster
Steve Evans • 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)