V-203-57349-41 "vxio: cluster or private disk group %2 has lost access to a majority of its disks. Its reservation thread has been stopped" appears in Veritas Storage Foundation for Windows

Problem

For a Veritas Volume Manager Diskgroup resource (VMDg) clustered using Microsoft or Veritas Cluster, the diskgroup would deport unexpectedly.

Error Message

vxio: cluster or private disk group %2 has lost access to a majority of its disks. Its reservation thread has been stopped

Cause

This message indicates that the host lost access to majority of the disks in a disk group. As a result, vxio will releases the SCSI reservations from the remaining disks in the disk group.

Solution

Review the Windows Event Viewer for any hard disk failure or connectivity events.

Further information about troubleshooting messages that are reported by vxio can be found at Disk read or write errors are reported by "vxio" in the Windows System Event Viewer when InfoScale for Windows is installed