Error Code details
V-16-10051-9025
Severity: Error 
Component: Cluster Server 
Message:
Failed to unmount the volume from the configured mount path [errorType:errorCode]
Description:

This issue might occur after you deport a disk group, when you import it on another server.
 

When you take a MountV resource offline, the MountV agent attempts to dismount the volume. If a problem occurs during the dismount operation, this error is logged.

 

Veritas solutions
Solution 1 Vote: [Useful] [Not useful]
Last Modified: 2012-10-09 00:49:03
Platform: Windows Server 2003 (x86-64), Windows Server 2003 (IA-64), Windows Server 2003 (x86-32), Windows Server 2008 (x86-64), Windows Server 2008 (IA-64), Windows Server 2008 (x86-32), Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2, Windows Server 2016
Release: 5.1SP1
Content:

The failure can occur due to multiple reasons. If the errorType value in the log is 2, it indicates a Windows System Error. Look up the errorCode on the Windows System Error code page in the Microsoft documentation for further troubleshooting.
 

If the errorType value indicates a Veritas Cluster Server (VCS) error, contact Veritas Technical Support for further assistance.