What does Windows error code 5951 (ERROR_CSV_VOLUME_NOT_LOCAL) mean?

 
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ERROR_NON_CSV_PATH ERROR_CLUSTER_WATCHDOG_TERMINATING

ERROR_CSV_VOLUME_NOT_LOCAL

CSV availability has both cluster-wide and per-node state

ERROR_CSV_VOLUME_NOT_LOCAL means the requested CSV operation requires the volume to be locally mounted on the calling node, but that node does not currently have the necessary local CSV view. The CSV can still exist in the cluster and be owned by a coordinator node while a particular node is paused, disconnected, or using a different I/O mode.

Query Get-ClusterSharedVolumeState for the affected node and volume. Check whether access is direct, file-system redirected, or block redirected, and record the redirection reason. Correlate Event ID 5120 and storage or cluster-network events. Moving coordinator ownership is not a universal fix: first determine whether the local node lost storage connectivity, cluster communication, or the CSV mount itself.

Per-node CSV state to capture

  • CSV name, coordinator node, and calling node.
  • StateInfo and redirection reasons.
  • Local ClusterStorage mount visibility.
  • Storage-path and cluster-network events at the same time.

References


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