Cluster Event 5125 - active filter drivers

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[MERGED] Event 5125

Veeam Logoby JoshRountree » Thu Jun 16, 2016 1:58 pm

I get this warning each night on my Hyper-V cluster in cluster events during my backups. I feel like it's related to backups and can probably ignore it, but wanted to make sure. Any thoughts?

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Cluster Shared Volume '' ('Cluster Virtual Disk (VD2)') has identified one or more active filter drivers on this device stack that could interfere with CSV operations. I/O access will be redirected to the storage device over the network through another Cluster node. This may result in degraded performance. Please contact the filter driver vendor to verify interoperability with Cluster Shared Volumes.

Active filter drivers found:
RepChg (Replication), RepDrv (Replication)
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[MERGED] Cluster Event 5125 - active filter drivers

Veeam Logoby JoshRountree » Tue Aug 30, 2016 11:54 am

Every time I backup my Hyper-V cluster I am seeing these events in cluster events:

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Cluster Shared Volume '' ('Cluster Virtual Disk (VD2)') has identified one or more active filter drivers on this device stack that could interfere with CSV operations. I/O access will be redirected to the storage device over the network through another Cluster node. This may result in degraded performance. Please contact the filter driver vendor to verify interoperability with Cluster Shared Volumes.

Active filter drivers found:
RepChg (Replication), RepDrv (Replication)


I think it is related to CBT on Hyper-V but wanted to make sure I can safely ignore them. CBT reference: https://helpcenter.veeam.com/backup/hyperv/changed_block_tracking.html
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Re: Cluster Event 5125 - active filter drivers

Veeam Logoby foggy » Tue Aug 30, 2016 12:49 pm

The event is triggered by the mentioned filter drivers, Veeam CBT filter driver doesn't cause this behavior. You need to troubleshoot these filter drivers: RepChg (Replication), RepDrv (Replication).
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Re: Cluster Event 5125 - active filter drivers

Veeam Logoby -=MACROS=- » Fri Sep 02, 2016 7:57 pm

Hi Josh,
Could it be that you use DoubleTake for replicate data to other destination Hyper-V Server?

If its true you've to verify if DT support replication from Clustered Shared Volume.

Regards

Rodi


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Re: Cluster Event 5125 - active filter drivers

Veeam Logoby JoshRountree » Tue Sep 06, 2016 2:07 pm 1 person likes this post

You are correct, I was using DoubleTake to migrate my VMs - I had to add those filter drivers to a registry key so they would be compatible.
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