HP StorageWorks HSG80 ACS Solution Software V8.8 for IBM AIX Installation and Configuration Guide (AA-RV1HA-TE, March 2005)

Backing Up, Cloning, and Moving Data
185HSG80 ACS Solution Software V8.8 for IBM AIX Installation and Configuration Guide
2. Name of New Unit—The unit name (Dxx) that you wish to use for the
Snapshot unit. Note that the unit must exist on the same controller as the
original virtual disk. So, for example, if you have a unit called d5 you wish to
Snapshot, it must be within the range of d1–d99 to be on the same controller.
3. Disk Devices for Snapshot—The list of physical disks on the subsystem you
wish to use to create the Stripeset for the Snapshot.
The utility takes your parameters and tries to create a Snapshot. If the Snapshot
fails it could be either because your parameters were incorrect or for the same
reasons that an automatic Snapshot would fail.
Delete Snapshot
This allows you to delete a Snapshot unit out on the subsystem. You choose a
communications device the same way as you do to list the Snapshots units or
create a manual Snapshot and then choose the unit number of the Snapshot that
you wish to delete. The utility then deletes the unit and the underlying virtual disk.
Recreate Volume Group of a Snapshot
The function of this menu item is to redefine volume group of a Snapshot once
you have configured the hdisk into the operating system. This menu item actually
contains two submenu items:
Show Disks with the Same Physical Volume ID
This menu item displays each HSG80 disk and any disks that have the same
physical volume identifier.
Recreate Volume Group
This allows you to recreate the volume group of disk that has the same physical
volume identifier as another. The only field to fill in is the name of the disk (from
the list of disks presented). The utility then changes the physical volume i.d. on
the disk, issue the
recreatevg command on the disk, and then mount any
filesystems on the disk. The new volume group name is in the form
snapX_old
volume group name
and any of the filesystems is mounted in the directory
/snapX. So, for example, if the original volume group is named testdisk1 and it
is mounted over
/testdisk1, the recreated volume group is named
snap1_testdisk1 and the filesystem is mounted on /snap1/testdisk1.