Error Code details
Severity: Error 
Component: Volume Manager 
Unexpected error, dgid mismatch.

This message is displayed while running the vxconfigbackup tool to back up the configuration information for one or more disk groups. The default backup directory is /etc/vx/cbr/bk/dgname.dgid. If the files under dgname.dgid are corrupted, vxconfigbackup fails with this error.


Veritas solutions
Solution 1 Vote: [Useful] [Not useful]
Last Modified: 2012-11-20 20:13:20 PDT
Platform: Generic
Release: Generic

To solve the issue, do the following:

  1. Run /etc/vx/bin/vxconfigbackup dgname to identify the disk group which is failing.

    # /etc/vx/cbr/bk/vxconfigbackup dg1

    VxVM vxconfigbackup ERROR V-5-2-3720 Unexpected error, dgid mismatch.

    The command result shows that the disk group named dg1 is failing.
  2. Rename the backup repository for the failing disk group:

    # mv/etc/vx/cbr/bk/dg1.1188102555.37.hostid /etc/vx/cbr/bk/previous_dg1.1188102555.37.hostid
  3. Run the vxconfigbackup again to verify if the issue is solved.

    #  vxconfigbackup dg1

    Start backing up disk group dg1 to

    /etc/vx/cbr/bk/dg1.1188102555.37.hostid ...

    VxVM  NOTICE V-5-2-3100 Backup complete for diskgroup: dg1


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