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Support Tip: Hyper-V hosts fail and log Event ID 5120 when being backed up

Support Tip: Hyper-V hosts fail and log Event ID 5120 when being backed up

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Michael Vargo | Senior Support Escalation Engineer

imageUPDATED 1/6/2014 – New hotfixes available

Some customers are experiencing failures on Windows Server 2012 Hyper-V hosts that utilize Cluster Shared Volumes (CSVs) when backing up virtual machines (VM’s) using System Center 2012 Data Protection Manager (DPM 2012) with Service Pack 1 (SP1) or later.

When this occurs the following error is logged on the Hyper-V hosts.

Log Name: System
Source: Microsoft-Windows-FailoverClustering
Event ID: 5120
Logged: <date/time>
Details: Cluster Shared Volume 'Volume2' ('ClusterStorage Volume 2') is no longer available on this node because of 'STATUS_CLUSTER_CSV_AUTO_PAUSE_ERROR(c0130021)'. All I/O will temporarily be queued until a path to the volume is reestablished.

You may also see the VM’s pause temporarily, go in to a paused state, shut down, see memory spikes or CSV go into a failed state on the Hyper-V hosts. Configuring serialized backups doesn't help the problem.

It has been determined that any backup product using shadow copies results in the same errors, thus this isn't necessarily a DPM 2012 issue. 

The Windows and DPM teams have released a series of fixes to address some general Cluster, CSV backup and DPM issues and are now available for download. 

DPM UPDATE

KB2886362 - Hotfix for System Center 2012 SP1 Data Protection Manager (http://www.microsoft.com/en-us/download/details.aspx?id=40318)

NOTE The above fix requires a prerequisite fix:  2836751 - Description of Update Rollup 3 for System Center 2012 Service Pack 1 (http://support.microsoft.com/kb/2836751/EN-US)

WINDOWS UPDATE

KB2878635 - Update is available that improves the resiliency of the cloud service provider in Windows Server 2012: December 2013 (http://support.microsoft.com/kb/2878635/EN-US)

Also see KB2784261 - Recommended hotfixes and updates for Windows Server 2012-based Failover Clusters (http://support.microsoft.com/kb/2784261/EN-US)

Michael Vargo | Senior Support Escalation Engineer | Microsoft GBS Management and Security Division

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Leave a Comment
  • Any idea when the final hotfix will be released? It's been quite some time now.

  • C'mon MSFT it's been like three months

  • also using lun and host serialization on dpm side will minimize the impact of error 5120/5142

  • Is this fixed? I see there is an update, but the TechNet forums look like folks are still experiencing issues.

  • I'm glad to see that R2 is coming out, but maybe instead some effort can be put into fixing this once and for all?

  • sad that there is nothing but SILENCE about this

  • Some of the confusion may stem from the fact that this is affected by a few different things, so the update in the post may fix things in one scenario but not for another. On a positive note, there is a new update that should make things work much more seamlessly.

    KB2848344 - Update improves cluster resiliency in Windows Server 2012 (support.microsoft.com/.../2848344)

    Note that this replaces KB2838669 mentioned in the post above. If you continue to see problems protecting Windows Server 2012 Hyper-V guests after installing this hotfix please open a support case for further investigation.

  • Installed both Hotfixes (KB2838669 & KB2848344) but still having the issue. This is ridiculous. How could Microsoft's own products not work together properly.

  • We still have this issue...on 2012 cluster and using dpm 2012 R2 and have the rollup hotfix KB2870270 installed.

    This has been a problem on 2008 R2 cluster as-well, we have never been able to do host level backup's on the Microsoft clusters....

  • Good day. The contribution to the community is great, and I read the publication arose a question. The company has a Storage IBM V3700. Currently scdpm want to install a VM with Windows server 2012 presenting an HBA to the VM. I could confirm whether this is possible or that you should consider. Thanks

  • Good day. The contribution to the community is great, and I read the publication arose a question. The company has a Storage IBM V3700. Currently scdpm want to install a VM with Windows server 2012 presenting an HBA to the VM. I could confirm whether this is possible or that you should consider. Thanks

  • Hi... We have same issues but with hyper-v failover cluster 2012 R2 along with SCDPM 2012 R2... Same errors, and same behavior. Are there gonna be any hotfixes or updates that will fix this soon?

  • We are also experiencing this issue with Windows Server 2012 R2 and SCDPM 2012 R2. The weird thing is it only occurs with one of the two CSVs.

  • We have this issue on 5node cluster with Hyper-V servers 2012r2 OS with DPM2012R2 and VMM2012R2. Any solution?

  • We too are seeing errors ID 5120 / 5214 during backup on our 5-node cluster Hyper-V 2012 R2 with CSVs using System Center 2012 R2 DPM. We thought this issue is fixed with 2012 R2. Any idea...?