Windows Server 2008 R2 High Availability Steve Evans

Microsoft MVP, Directory Services Blog – Twitter SerkTools ( – Content Creation/Delivery Screencast, Whitepapers, Blogging, Events – Consulting Microsoft IT Infrastructure (Active Directory, SQL, SharePoint, Exchange, Identity, etc) Steve Evans

Stand Alone Application Data Free Simple Good Enough?

Application Redundancy Application Data Application Data AD/DNS/SMTP Protocol Support Perfect!

Load Balancer Application Data Application Data Load Balancer Web Servers Remote Desktop Services App Support Helps

Fail Over Clustering Application Data Application Data File Services/SQL Shared Storage Complicated Expensive

No Majority: Disk Only Shared Volume Single Point of Failure Old School == BAD! Cluster Config

Node Majority Each Node Gets 1 Vote Cluster Requires Majority Cluster Config

Node & Disk Majority Shared Volume Shared Disk can have 1 vote Even # of Nodes Cluster Config

Multi Site Clustering Dedicated Volume Replication File Share Witness VERY Complicated Replication by 3 rd Party Cloud for File Share Witness?

File Server Cluster vol0 vol1 vol2 Cluster Group Type: DFS Root Network Name: serk-file Disk: vol0 IP Address Cluster Group Type: File Server Network Name: serk-file-01 File Share: share$ Disk: vol1 IP Address Cluster Group Type: File Server Network Name: serk-file-02 File Share: share$ Disk: vol2 IP Address

DFS Client Experience

Hyper-V Live Migrate Guest Level Clustering Application Agnostic Simplified Guests

PowerShell Support

Top Windows Failover cmdlets Add-ClusterDisk Add/Remove-ClusterNode Add/Remove-ClusterGroup Get/Set-ClusterQuorom Get/Set-ClusterLog Move-ClusterGroup New-Cluster Test-Cluster

Microsoft MVP, Directory Services Blog – Twitter SerkTools ( – Content Creation/Delivery Screencast, Whitepapers, Blogging, Events – Consulting Microsoft IT Infrastructure (Active Directory, SQL, SharePoint, Exchange, Identity, etc) Steve Evans