Platform: Server 2008 R2 with Hyper V enabled
VM'S (2): SBS 2011 and Server 2008R2 with SharePoint and SQL Standard installed
Hello there
We configured the server with an offline hard drive attached to the SBS server to run its own backups for efficient recovery, and it works well.
We have had problems recently backing up the Host server using the native Windows backup. The consistent error we receive is:
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Event ID 521
The backup operation that started at '2012-09-24T12:01:22.752000000Z' has failed because the Volume Shadow Copy Service operation to create a shadow copy
of the volumes being backed up failed with following error code '2155348001'. Please review the event details for a solution, and then rerun the backup operation once the issue is resolved.
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As this error is generic in nature we found the following error in the Hyper-V-VMMS event log:
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Log Name:
Microsoft-Windows-Hyper-V-VMMS-Admin
Source: Microsoft-Windows-Hyper-V-VMMS
Date: 24/09/2012 10:17:46 PM
Event ID: 10107
Task Category: None
Level: Warning|
Keywords:
User: SYSTEM
Computer: VMHOST
Description:
One or more physical disks are attached to virtual machine 'SBServer'. Back up programs that use the Hyper-V VSS writer cannot back up volumes that are attached to virtual machines as physical disks. To avoid potential data loss, use another method to back
up the data on the physical disks. If you restore the data on this virtual machine, make sure to check the data of the physical disk for integrity. (Virtual machine ID 2312B5E9-BA77-4499-AF2A-25755DDE7C84)
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The information on offline hard drives used for this purpose is fuzzy. The question we have is: will or could an offline hard drive configured in this way cause the native backup on the VM Host to fail?
Many Thanks
MIS5000