Error Code details
Severity: Error 
Component: Volume Manager 
Disk media offset of subdisk %s would not be a multiple of the disk group alignment.

If you change the alignment of a disk group, Veritas Volume Manager (VxVM) verifies if the following object offsets/lengths in the disk group are compatible with the new alignment. If the attribute of some objects is not a multiple of the new disk group alignment, VxVM fails to set new alignment value for the disk group and the message is displayed.

  • Volume length
  • Volume log length
  • Disk Media length of opaque disks 
  • Subdisk length
  • Plex stripe width
  • Subdisk plex offset
  • Subdisk offset



Veritas solutions
Solution 1 Vote: [Useful] [Not useful]
Last Modified: 2013-03-07 07:53:23 PDT
Platform: Generic
Release: 5.1
  1. Get the current disk group alignment value with the following command:
    # vxdg  list diskgroup_name | grep alignment
  2. Use the vxcdsconvert(1m) command to make the disk group portable, for example by moving subdisks to a different location so that they conform to the Cross-platform Data Sharing (CDS) alignment restriction. 
    vxcdsconvert -g diskgroup_name alignment

For more information about the vxcdsconvert(1m) command, see manual pages on the SORT website.


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