Host-based backup of Microsoft Hyper-V VMs.
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Yuya
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Failed to import snapshot: Import snapshot task has failed.

Post by Yuya »

Hi,

I want to use off-host backup proxy.
But backup job is failed.
I use NetApp storage.
In order to use the off-host proxy what should?

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Unable to create snapshot Data ONTAP VSS Hardware Provider on Hyper-V Off-Host Backup Proxy (mode: Crash consistent). Details: Failed to import snapshot: Import snapshot task has failed. No shadow copies were successfully imported. Retrying snapshot creation attempt (Import snapshot task has failed. No shadow copies were successfully imported.) Task has been rescheduled Unable to allocate processing resources. Error: Import snapshot task has failed. No shadow copies were successfully imported.
-----

I look like failed to import of the created snapshot.

[Environment]
Storage : NetApp
Hardware VSS provider : SnapDrive
Veeam Backup server and off-host proxy is the same machine.

Thank you
Yuya
Dima P.
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Re: Failed to import snapshot: Import snapshot task has fail

Post by Dima P. »

Yuya,
Kindly contact our support team and post a case ID to this thread. Thank you.
Yuya
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Re: Failed to import snapshot: Import snapshot task has fail

Post by Yuya »

Case ID is 00715421.
foggy
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Re: Failed to import snapshot: Import snapshot task has fail

Post by foggy »

Please check whether the off-host proxy meets all the requirements.
Yuya
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Re: Failed to import snapshot: Import snapshot task has fail

Post by Yuya »

I checked.

1.
Veeam install server and off-host backup proxy server are same.
This server is Microsoft Windows Server 2012 R2 machine with the Hyper-V role enabled.
The version of the Hyper-V host is 2012 R2.
2.
The off-host backup method is selected.
3.
The source Hyper-V host and the off-host backup proxy are connected to the shared storage(NetApp).
4.
The VSS hardware provider(SnapDrive) installed the off-host proxy and Hyper-V host.
5.
Data Deduplication disabled.
foggy
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Re: Failed to import snapshot: Import snapshot task has fail

Post by foggy »

Then let's wait for what our engineers could say after reviewing the logs.
jmeisel
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Re: Failed to import snapshot: Import snapshot task has fail

Post by jmeisel »

Is there a solution for this problem, yet?
We are having exactly the same issue. I just stumbled accross this error.
Hopefully there already is a solution. Please let me know!
Vitaliy S.
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Re: Failed to import snapshot: Import snapshot task has fail

Post by Vitaliy S. »

Did you follow all the instructions on how to configure off-host backup proxy? The OP's case ended by contacting storage vendor for further troubleshooting of the VSS provider.

BTW, what is the current state of this provider in your case? Also does it work if you use hardware VSS on the Hyper-V host itself (on-host mode)?
jmeisel
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Re: Failed to import snapshot: Import snapshot task has fail

Post by jmeisel »

Okay, our problem is partially solved.
The snapshot can be mounted now. The problem seemed to be that "create volume-snapshot for multiple vms..." has been enabled by default, but never seemed to work. As if it has not been enabled.
After disabling this option and re-enableing int again our snapshot(s) can be mounted on the off-host proxy.

BUT ... now we have the problem that volume snapshot is created, mounted, used and unmounted by veeam at the end of the backup job, but the created netapp snapshot never gets removed.
I guess I will have to contact NetApp for a solution.
Vitaliy S.
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Re: Failed to import snapshot: Import snapshot task has fail

Post by Vitaliy S. »

Do you see any errors in the Windows Event log regarding VSS snapshots?
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