How VEEAM is working with Hyper-V

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How VEEAM is working with Hyper-V

Veeam Logoby Someonenew2014 » Mon Apr 06, 2015 9:25 am

Hi VEEAM guys,

I work with SharePoint and SQL server running over Hyper-V. Microsoft provide VSS to make the backup work in virtual environment and this backup ensure application is consistent. VEEAM dealing with VSS directly and it is supported from both VEEAM and Microsoft.

In Shared VHDX backup taken through crash consistent-state and at same time backup through VSS which approve that is supported.


Based on the above information, is VEEAM create a service in guest cluster (shared VHDX) or even single VHDX and take the backup and remove this service? is this how VEEAM works.
Get inside virtual machines and take backup and remove this service.

I can see from event viewer


The VeeamVssSupport service entered the stopped state.

The VeeamVssSupport service entered the running state..

A service was installed in the system.

Service Name: VeeamVssSupport
Service File Name: C:\Windows\VeeamVssSupport\VeeamGuestHelper.exe
Service Type: user mode service
Service Start Type: auto start
Service Account: LocalSystem
Someonenew2014
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Re: How VEEAM is working with Hyper-V

Veeam Logoby Shestakov » Mon Apr 06, 2015 10:03 am

Veeam Backup & Replication uses a runtime coordination process on every VM that is started once the backup operation is launched, and removed as soon as it is finished. This helps avoid agent-related drawbacks such as pre-installing, troubleshooting and updating. So no persistent agents are deployed inside VMs.
When you enable guest file system indexing, VBR deploys a runtime process inside VM as well.
Thanks.
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Re: How VEEAM is working with Hyper-V

Veeam Logoby Vitaliy S. » Mon Apr 06, 2015 3:41 pm

Someonenew2014 wrote:In Shared VHDX backup taken through crash consistent-state and at same time backup through VSS which approve that is supported.

Not exactly, please see my post in this thread for more details on how shared VHDX disks are handled > Backing up a Windows Failover Cluster with Shared vhdx?
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Re: How VEEAM is working with Hyper-V

Veeam Logoby Someonenew2014 » Tue Apr 07, 2015 6:41 am

Thank you all. I don't understand till now. Is my database files MDF,LDF that is reside on shared VHDX as SQL cluster When taking the backup is all DB files will be in good state to recover, I'm Okay with some data loss but not files that will not work.

I would want to end up with a situation when my backup is not a good state.
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Re: How VEEAM is working with Hyper-V

Veeam Logoby foggy » Tue Apr 07, 2015 9:56 am

Typically, SQL Server is able to successfully recover from crash-consistent backup.
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