Veeam 9.0 - Snapshot Merge Timeout

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Veeam 9.0 - Snapshot Merge Timeout

Veeam Logoby L33T » Tue Nov 29, 2016 8:49 am

HI,

Since upgrading to v 9.0 i have noticed that we get timeouts on the replication job when the vm`s are merging snapshots. The vm`s do complete merging successfully but the job itself error`s on what appears to be a timeout waiting for that process complete. Our SAN that the replicated vm`s sit on is slow and we are aware it takes time to process but can this timeout limit be changed?

Cheers,
L33T
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Re: Veeam 9.0 - Snapshot Merge Timeout

Veeam Logoby foggy » Tue Nov 29, 2016 12:45 pm

Could you please contact support with this and share your case ID here? To understand whether there's a timeout that might help in this case, we need to review the log files. Thanks.
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Re: Veeam 9.0 - Snapshot Merge Timeout

Veeam Logoby L33T » Tue Nov 29, 2016 3:17 pm 1 person likes this post

Done Foggy :) Case ID 01989337
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[MERGED] Hyper-V replication job Timeout

Veeam Logoby hobensovbr » Mon Dec 05, 2016 11:08 am

Dear all,

Just a question regarding replication job timeout values for Hyper-V.

I have a replication job that runs once a day, however the job sometimes fails with the error:
"Failed to apply retention policy for VM: VM_replica Error: The operation has timed out."

This seems to happen because backend Hyper-V checkpoint merge takes longer than the 1 hour limit to complete.

My question is. Is it possible to increase this time out to say 2 hours to allow the merge time to complete?
I have checked in the registry on the backup and replication server, however nothing obvious to change in there.

Any help would be appreciated.

Kind regards,
Ben Holland
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Re: Veeam 9.0 - Snapshot Merge Timeout

Veeam Logoby foggy » Mon Dec 05, 2016 12:33 pm

Hi Ben, I appreciate if you open a case with technical support regarding this issue. Thanks.
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Re: Veeam 9.0 - Snapshot Merge Timeout

Veeam Logoby hobensovbr » Mon Dec 05, 2016 1:00 pm 1 person likes this post

Thanks for getting back to me.
I have logged a support ticket and the case number is 01994859.

I will update this forum with the results.

Thanks,
Ben
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Re: Veeam 9.0 - Snapshot Merge Timeout

Veeam Logoby hobensovbr » Tue Dec 06, 2016 3:23 pm

Ok support have got back to me.
They have suggested that I add the following registry key to HKEY_LOCAL_MACHINE\SOFTWARE\Veeam\Veeam Backup and Replication

HyperVDefaultWMITimeoutSec
Type: REG_DWORD
Default value: 3600 (decimal, seconds) - I have changed the default value to 10800 (3 hours).

I have also rebooted the B&R server just to make sure.

The replication job runs overnight so I will post back tomorrow with the results.

Thanks,
Ben
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Re: Veeam 9.0 - Snapshot Merge Timeout

Veeam Logoby L33T » Fri Jun 09, 2017 10:14 am

How did it go with the reg change? Support still havent got back to me about this, been a while!
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Re: Veeam 9.0 - Snapshot Merge Timeout

Veeam Logoby foggy » Fri Jun 09, 2017 1:42 pm

I can see that your case was closed due to no response from your side. You can re-open it, if you'd like further investigation.
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Re: Veeam 9.0 - Snapshot Merge Timeout

Veeam Logoby L33T » Mon Jun 12, 2017 12:00 pm

We did respond to this foggy, didn't hear back from alexander at the time sorry.

This reg fix also worked for us, quite happily waits for the merge to complete on the jobs...

Cheers,
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