Command Syntax; Review Mode: Vgversion -R - HP -UX 11i Administrator's Manual

Command Syntax

The vgversion syntax is:
vgversion [-r] [-v]
where
-r
-v
-U unshare_unit
-V vg_version_new
vg_name
TIP:
For a successful migration, the target volume group must meet certain conditions at execution
time; for example, the target volume group must be inactive. However, these conditions do
not need to be met when you are using Review mode (the r option). For more information
on using the r option, see
Like other commands that run at the HP-UX shell level, the exit value of vgversion for a
failed migration or failed migration review will be non-zero:
# echo $?
1

Review Mode: vgversion -r

vgversion allows you to review ( r) its stdout and stderr messages to determine whether
an attempted migration will succeed or fail without performing the actual migration.
Migration Success
In Review mode, when the migration will succeed, you should get messages that conclude with
text similar to the following:
...
Volume Group version can be successfully changed to ...
Review complete. Volume group not modified.
Migration Failure
A migration of a volume group can fail for various reasons, including:
the target volume group must not be active
the target volume group must be cluster-unaware
no physical volumes of the target volume group should be used as the cluster lock disk
the physical volumes of the volume group must have enough space for the new metadata
the existing volume group has any features that are not supported in the target volume group
version
(For a list of all conditions, see the latest vgversion(1M) manpage.)
When the migration will fail, the vgversion
and possible solutions. For example, if you are migrating a volume group from Version 1.0 to 2.1,
V [-U unshare_unit] vg_version_new vg_name
is Review mode. This allows you to review the operation before
performing the actual volume group version migration.
is Verbose mode.
sets the unit at which data will be unshared between a logical volume
and its snapshots, in the new volume group. This is only applicable
for migration to volume group Version 2.2 or higher. For more
information about snapshots see
Logical Volumes" (page
is the new version to which you are migrating (2. x).
is the target volume group (for example, vg01)
"Review Mode: vgversion -r" (page
r output messages should indicate the problem
"Creating and Administering Snapshot
103).
47).
Common LVM Tasks 47