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Server Virtualization Backups, Disaster Recovery, Business Continuity Steve Evans

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Presentation on theme: "Server Virtualization Backups, Disaster Recovery, Business Continuity Steve Evans"— Presentation transcript:

1 Server Virtualization Backups, Disaster Recovery, Business Continuity Steve Evans

2 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

3 Agenda High Availability SnapshotsBackupBare Metal Restore

4 Stand Alone Application Data Free Simple Good Enough?

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

6 Load Balancer Application Data Application Data Load Balancer Web/RDS App Support Helps

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

8 Live Migrate Guest Level Clustering Application Agnostic Simplified Guests

9 Agenda High Availability Snapshots BackupBare Metal Restore

10 Anatomy of a Snapshot Physical Volume VHD AVHD (0) AVHD (1) AVHD (2) AVHD (3) ?????

11 Virtual Machine Snapshots Not for Disaster Recovery Performance Concerns Great for roll- back plan

12 Agenda High AvailabilitySnapshots Backup Bare Metal Restore

13 WSB/DPM 2007 – Direct Guest Hyper-V Windows SQL Server NTFS becomes consistent 2.SQL becomes consistent 3.Backup Snapped Disk DPM Agent

14 WSB/DPM 2007 – VSS Enabled Guests Hyper-V Windows SQL Server Host talks to VSS Writers on Guests 2.NTFS becomes consistent 3.SQL becomes consistent 4.Backup Snapped Disk NO DPM Agent DPM Agent

15 WSB/DPM 2007 – Non-VSS Guests Hyper-V NT Suspend Guest OS 2.Snap Host Disk with VSS 3.Resume Guest OS 4.Backup Snapped Disk

16 Host Level Backups: Advantages Backup is Comprehensive – Bare Metal Recovery – Virtual Networks not included Licensing Costs – WSB Free Though Single Solution for all OSs Simple(ish)

17 Host Level Backups: Disadvantages Natively No Restore Granularity Natively Does Not Support Multiple Snapshots Guest will enter Saved State If: – No VSS Support (Windows 2000, NT, Non- Windows) – Integration Services not installed – Volume Backup Component disabled Be Aware of Non-VSS Aware Apps (eg Oracle) Guest can not use dynamic disks

18 Enable Hyper-V VSS Backup reg ADD HKLM\Software\Microsoft\Windows NT\CurrentVersion\WindowsServerBack up\Application Support\{66841CD4- 6DED-4F4B-8F17-FD23F8DDC3DE} /V Application Identifier /T Reg_SZ /D Hyper-V /F

19 Windows Server Backup: Hyper-V Restore

20 DPM 2007 Advantages VM Level Restore Granularity Integrated Physical/Guest Level/Host Level Solution Server Management Suite – License for every OS on a physical machine: Operations Manager Configuration Manager Data Protection Manager Virtual Machine Manager

21 DPM 2010 & Hyper-V R2 Restore VMs to Alternate Hosts Individual file-item restore – Files only though, SQL/Exchange/etc not covered

22 Agenda High AvailabilitySnapshotsBackup Bare Metal Restore

23 Restore Host Level Backup Deploy from Template – Group Policy Configuration Windows Firewall Services Scheduled Tasks File System ACLs Folder Shares Etc

24 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


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