Affected versions: Windows Server 2022

πŸ“– ~1 min read

Table of contents
  1. Symptom & Impact
  2. Environment & Reproduction
  3. Root Cause Analysis
  4. Quick Triage
  5. Step-by-Step Diagnosis
  6. Solution – Primary Fix
  7. Solution – Alternative Approaches
  8. Verification & Acceptance Criteria
  9. Rollback Plan
  10. Prevention & Hardening
  11. Related Errors & Cross-Refs
  12. References & Further Reading

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
Illustrative mockup for windows-server-2022 β€” terminal_or_powershell
Diagnostics commands in PowerShell β€” Illustrative mockup β€” Progressive Robot
Illustrative mockup for windows-server-2022 β€” event_or_log_viewer
Event log verification for Windows Server 2022 β€” Illustrative mockup β€” Progressive Robot

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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