Recovery for n-to-1 remote-copy configurations – HP 3PAR Operating System Software User Manual

Page 186

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2.

Verify the reversal of volume group roles.
a.

Issue the showrcopy command on the failover system (System1).

b.

In the Group Information area, check that the Role column for the reversed volume
group displays Primary-Rev (primary as a result of reversal).

For example, the showrcopy output for System1 shows that the role of
periodic_group_1.r96

is now Primary-Rev:

# showrcopy

Remote Copy System Information

Status: Started, Normal

Target Information

Name ID Type Status Options Policy

System2 7 IP failed mirror_config

System3 8 IP ready mirror_config

Link Information

Target Node Address Status Options

System2 0 10.100.33.96 Down

System2 1 10.101.33.96 Down

System3 0 10.100.33.11 Up

System3 1 10.101.33.11 Up

receive 0 10.100.33.96 Up

receive 1 10.101.33.96 Up

Group Information

Name Target Status Role Mode Options

periodic_group_1.r96 System2 Stopped Primary-Rev Periodic over_per_alert

LocalVV ID RemoteVV ID SyncStatus LastSyncTime

remotevv.0 21 localvv.0 413 Stopped Thu Dec 14 18:23:52 PST 2006

remotevv.1 22 localvv.1 414 Stopped Thu Dec 14 18:23:52 PST 2006

Name Target Status Role Mode Options

periodic_group_2.r11 System3 Started Secondary Periodic over_per_alert

LocalVV ID RemoteVV ID SyncStatus LastSyncTime

remotevv.2 23 localvv.0 385 Synced Thu Dec 14 18:23:45 PST 2006

remotevv.3 24 localvv.1 386 Synced Thu Dec 14 18:23:44 PST 2006

3.

(Optional) To back up data in the reversed volume groups, export the reversed virtual volumes
(remotevv.0 and remotevv.1) as read/write snapshots.

Recovery for N-to-1 Remote-Copy Configurations

1.

Recover the failed system.

186 Disaster Recovery for M-to-N Configurations

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