HP-UX System Administrator's Guide: Logical Volume Management (762803-001, March 2014)

NOTE: For volume group Version 2.2 and higher: volume groups that have snapshots on
which data unsharing is occurring, the LVM configuration backup file might not always be in
sync with the LVM metadata on disk. LVM ensures that the configuration for volume group
Version 2.2 and higher with snapshots configured is the latest by automatically backing it up
during deactivation, unless backup has been disabled by the -A n option. If the configuration
backup during deactivation will be bypassed, then to ensure that the volume group's
configuration is the latest, it is recommended that you close all the logical volumes of the
volume group and back up the configuration using vgcfgbackup prior to deactivating the
volume group.
6. Update the boot structures after every change to the root volume group.
This task is only required if you are using LVM on your boot disk. Whenever you make changes
to the root volume group, which is usually named /dev/vg00, the BDRA on the boot disk
must be updated. This is normally performed automatically by the LVM commands. To update
the BDRA manually, enter the following command:
# /usr/sbin/lvlnboot -R
See Chapter 4: Troubleshooting LVM for detailed information about recovery.
2.6 Planning for Recovery 39