Hitachi Copy-on Write SnapShot, User Manual

Page: 41 / 90

Configuring SnapShot
5–3
Hitachi Simple Modular Storage Copy-on-Write SnapShot User’s Guide
Set Up the Virtual Volume (V-VOL) (manual method)
When the Backup Wizard in the Navigator 2 GUI is used, V-VOLs are created
and set up automatically. You do not need to perform any V-VOL setup.
If you are not using the Backup Wizard but the Create Pair procedure, then
proceed with the instructions below. Using the Create Pair procedure is a
more involved method that allows you to set copy pace, assign the pair to
a group (and create a group), and automatically split the pair after creating.
When you create the pair, you select the primary and virtual volumes. Set
up a virtual volumes in Navigator 2 GUI as described in the following
procedure.
To assign volumes as V-VOLs
(Advanced users using CLI, see Setting the V-VOL on page A-4 .)
1. In Navigator 2 GUI, select the desired array, then click the Show &
Configure Array button.
2. From the Replication tree, select the Local Replication icon, then select
the Setup icon. The Setup screen displays.
3. Select SnapShot Logical Units . The SnapShot Logical Units page
displays
4. Click Create SnapShot LU . The Create Logical Unit for SnapShot
window appears.
5. Enter the LUN to be used for the V-VOL. You can use any unused LUN
that matches the P-VOL in size. The lowest available LU number is the
default.
6. Enter the V-VOL size in the Capacity field. Capacity must equal the size
of the P-VOL. The Capacity range is 1 MB - 128 TB.
7. Click OK .