Veritas Volume Manager 4.1 Administrator's Guide (HP-UX 11i v3, February 2007)

Chapter 11, Configuring Off-Host Processing
Implementing Off-Host Processing Solutions
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If required, you can use the following command to verify whether the
V_PFLAG_INCOMPLETE flag is set on a volume:
# vxprint [-g diskgroup] -F%incomplete snapvol
This command returns the value off if synchronization of the volume, snapvol, is
complete; otherwise, it returns the value on.
You can also use the vxsnap print command to check on the progress of
synchronization as described in “Displaying Instant Snapshot Information (vxsnap
print)” on page 291.
9. On the primary host, use the following command to split the snapshot volume into a
separate disk group, snapvoldg, from the original disk group, volumedg:
# vxdg split volumedg snapvoldg snapvol
10. On the primary host, deport the snapshot volume’s disk group using the following
command:
# vxdg deport snapvoldg
11. On the OHP host where the backup is to be performed, use the following command to
import the snapshot volume’s disk group:
# vxdg import snapvoldg
12. The snapshot volume is initially disabled following the split. Use the following
commands on the OHP host to recover and restart the snapshot volume:
# vxrecover -g snapvoldg -m snapvol
# vxvol -g snapvoldg start snapvol
13. On the OHP host, back up the snapshot volume. If you need to remount the file
system in the volume to back it up, first run fsck on the volume. The following are
sample commands for checking and mounting a file system:
# fsck -F vxfs /dev/vx/rdsk/snapvoldg/snapvol
# mount -F vxfs /dev/vx/dsk/snapvoldg/snapvol mount_point
Back up the file system at this point, and then use the following command to
unmount it.
# umount mount_point
14. On the OHP host, use the following command to deport the snapshot volume’s disk
group:
# vxdg deport snapvoldg