BenjaminIT

Failover Cluster Shared Volume Failing IO Error – Help!

So, needed to reboot a cluster yesterday and drained roles from one server, rebooted, moved roles over and rebooted other. However, now one of the CSV is showing as failed. It is not ReadOnly, I have tried in the Server Manager to attach the disk and get an
Access Denied error, tried via powershell as admin and get the same error. any advise? Tried to change the IsManualAttached as well get access denied for that too.

  • Usage : Other
  • NameFormat :
  • OperationalStatus : Detached
  • HealthStatus : Unknown
  • ProvisioningType : Fixed
  • ParityLayout : Unknown
  • Access : Read/Write
  • UniqueIdFormat : Vendor Specific
  • DetachedReason : By Policy
  • WriteCacheSize : 0
  • ObjectId : {1}SERV-HC-01root/Microsoft/Windows/Storage/Providers_v2SPACES_VirtualDisk.Objec tId="{533570b8-ec7e-4e22-XXXb-e6519f296089}:VD:{352a1d48-XXX2-11ea-80be-2477710262
    d}{352a1e11-3ea2-XXXa-80be-246e9610262d}"
  • PassThroughClass :
  • PassThroughIds :
  • PassThroughNamespace :
  • PassThroughServer :
  • UniqueId : 111E2A35A23EEA11XXX6E9610262D
  • AllocatedSize : 23991687315456
  • FootprintOnPool : 47983374630912
  • FriendlyName : SERV-HDD-VDISK01
  • Interleave : 262144
  • IsDeduplicationEnabled : False
  • IsEnclosureAware : False
  • IsManualAttach : True
  • IsSnapshot : False
  • LogicalSectorSize : 512
  • Name :
  • NumberOfAvailableCopies :
  • NumberOfColumns : 6
  • NumberOfDataCopies : 2
  • OtherOperationalStatusDescription :
  • OtherUsageDescription :
  • PhysicalDiskRedundancy : 1
  • PhysicalSectorSize : 4096
  • RequestNoSinglePointOfFailure : False
  • ResiliencySettingName : Mirror
  • Size : 23991687315456
  • UniqueIdFormatDescription :
  • PSComputerName :
  • CimClass : ROOT/Microsoft/Windows/Storage:MSFT_VirtualDisk CimInstanceProperties : {ObjectId, PassThroughClass, PassThroughIds, PassThroughNamespace…} CimSystemProperties : Microsoft.Management.Infrastructure.CimSystemProperties

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Failover cluster Hyper-V role restarting no warning no bsod Dedup and npsvctrig event viewer 2019 core

I have a server in a a failover cluster that keeps restarting with no valid reason, it seems to be very varible on the timings and can happen when someone is logged into the server or not, the event viewer events leading up to the reboot are

CBafilt Event ID 1
CBA filesystem filter driver has attached to volume "DeviceHarddiskVolume3".

FilterManager Event ID 6
File System Filter ‘Dedup’ (10.0, ‎2014‎-‎09‎-‎03T20:29:55.000000000Z) has successfully loaded and registered with Filter Manager.

FilterManager Event ID 6
File System Filter ‘npsvctrig’ (10.0, ‎2037‎-‎02‎-‎23T07:11:04.000000000Z) has successfully loaded and registered with Filter Manager.

followed up by a Kernel-Power Event ID 41
The system has rebooted without cleanly shutting down first. This error could be caused if the system stopped responding, crashed, or lost power unexpectedly.

any ideas?

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