Veritas Volume Manager 5.0 Release Notes (5900-0593, March 2010)

Veritas Volume Manager 5.0 Release Notes
Known Issues
Chapter 118
If a volume in a Remote Mirror configuration has detached plexes, at a remote site, you
can use the following procedure to resize it:
1. Turn off the allsites attribute for the volume:
# vxvol -g diskgroup set allsites=off volume
2. Remove the detached plexes
# vxassist -g diskgroup remove mirror volume
plexnames=plex1,plex2,...
3. Use the vxresize command to resize the volume.
When the remote site comes back up:
a. Replace the removed plexes using storage at the remote site:
# vxassist -g diskgroup mirror volume nmirror=N \site:remote_site_name
b. Turn on the allsites attribute for the volume:
# vxvol -g diskgroup set allsites=on volume
4. Warning message at boot time
A message such as the following is displayed if an attempt is made to open a volume
at boot time before any disk group has been imported.
WARNING VxVM vxio V-5-0-23 Open on an spurious volume device (hex_id)
encountered. This device may be valid, but has not yet been
configured in the kernel.
This message may be ignored. Once the disk group is imported successfully, there
should be no problem in accessing its volumes.
5. Shrinking a swap volume
vxassist has no built-in protection to prevent you from shrinking the swap volume
without first shrinking what the system sees as available swap space. If it is
necessary to shrink the swap volume, the operation must be done in single user mode
and the system must be rebooted immediately. Failing to take these precautions can
result in unknown system behavior or lock-up. [i6154]
6. Adding a log and mirror to a volume
The vxassist command does not add a mirror and a log when processing a command
such as the following:
# vxassist mirror volume layout=log ...