Updating Snapshot Logical Unit; Restoring V-Vol To P-Vol - Hitachi MK-97DF8018-00 User Manual

Simple modular storage copy-on write snapshot
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Updating SnapShot Logical Unit

To update the V-VOL:
1. From the command prompt, register the subsystem to which you want
to update the SnapShot pair, then connect to the subsystem.
2. Execute the aureplicationlocal command update the pair.
Change the Split status of the Snapshot pair to Paired status using
-resync option. Then, change the status to Split using -split option.
Refer to the following example.
% aureplicationlocal –unit subsystem-name –ss –resync –pvol 200
–svol 1001
Are you sure you want to re-synchronize pair?
(y/n[n]): y
The pair has been re-synchronized successfully.
%
% aureplicationlocal –unit subsystem-name –ss –split –pvol 200
–svol 1001
Are you sure you want to split pair?
(y/n[n]): y
The pair has been split successfully.
%
3. Execute aureplicationlocal to update the pair. Refer to the following
example.
% aureplicationlocal –unit subsystem-name –ss –refer
Pair name
Copy Type
SS_LU0200_LU1001
SnapShot
%
The V-VOL was updated.

Restoring V-VOL to P-VOL

To restore the V-VOL to the P-VOL:
1. From the command prompt, register the subsystem to which you want
to restore the SnapShot pair, then connect to the subsystem.
2. Execute the aureplicationlocal command restore the pair.
First, display the pair status, and then restore the pair. Refer to the
following example.
A–6
Hitachi Simple Modular Storage Copy-on-Write SnapShot User's Guide
LUN Pair LUN Status
Group
200 1001
---:Ungrouped
Operations Using CLI
Split(100%)

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