π ~1 min read
Table of contents
Symptom & Impact
Storage I/O latency spikes and VM performance degrades while CSV remains in redirected mode.
Environment & Reproduction
Typically after storage path failover or transient fabric errors.
Get-ClusterSharedVolume
Get-ClusterResource
Get-ClusterNode
Root Cause Analysis
Path instability or unresolved ownership transitions keep CSV traffic redirected.
Quick Triage
Inspect CSV state and owner nodes.
Get-ClusterSharedVolume | Select Name,State,OwnerNode
Get-ClusterLog -UseLocalTime -Destination C:/Temp
Step-by-Step Diagnosis
Correlate storage fabric health with CSV events.
Get-PhysicalDisk
Get-StorageSubSystem
Get-WinEvent -LogName System -MaxEvents 30
Solution – Primary Fix
Move CSV ownership and clear redirected mode.
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Move-ClusterSharedVolume -Name 'Cluster Disk 1' -Node node02
Resume-ClusterResource -Name 'Cluster Disk 1'
Get-ClusterSharedVolume
Solution – Alternative Approaches
Drain roles and reboot affected node when path drivers are unstable.
Suspend-ClusterNode -Name node01 -Drain
Restart-Computer -ComputerName node01 -Force
Verification & Acceptance Criteria
CSV returns to direct mode and VM disk latency normalizes.
Get-ClusterSharedVolume
Get-VM | Select Name,State
Get-Counter 'LogicalDisk(*)Avg. Disk sec/Read'
Rollback Plan
Return ownership and node state to prior stable topology if needed.
Move-ClusterSharedVolume -Name 'Cluster Disk 1' -Node node01
Resume-ClusterNode -Name node01
Prevention & Hardening
Patch storage HBA/MPIO stacks consistently and monitor CSV mode transitions.
Get-ClusterSharedVolume | Export-Csv csv-state.csv -NoTypeInformation


Related Errors & Cross-Refs
Can align with quorum warnings and Live Migration performance bottlenecks.
Related tutorial: View the step-by-step tutorial for Windows Server 2022.
View all Windows Server 2022 tutorials on the Tutorials Hub β
Browse all common problems & solutions on the Tutorials Hub.
References & Further Reading
Microsoft Learn: CSV operations, troubleshooting redirected mode, and cluster storage guidance.
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