Suspending SI pair creation

Suspending a pair creation copies the entire P-VOL to the S-VOL. The P-VOL continues accepting write I/O operations from the hosts, and host data written to the P-VOL after the suspend is issued will be marked as differential data.

The VSP G200, G400, G600 storage system automatically suspends a pair in the following cases:

An error condition related to an update copy operation is detected.

It cannot keep the pair mirrored.

In Hitachi Command Suite:

On the Resources tab, click Storage Systems, expand the storage system tree, right-click the target storage system, and then select Local Replication.

In Device Manager - Storage Navigator:

In the Explorer pane, click Storage Systems, expand the storage system tree, and then click Replication > Local Replication.

Select the SI Pairs tab.

In the SI Pairs tab, select the pair that you do not want to create and click More Actions > Suspend Pairs.

In the Suspend Pairs window, complete the following and then click Apply. The setting is queued as a task and performed in order.

For Task Name, type a name for the task.

Default: date-window name

Character and symbol limit: 32 alphanumeric except / : , ; * ? “ < > |

Case sensitive: Yes

For Go to tasks window for status, select to open the Tasks window.

The pair is suspended ("PSUE" status).

Open the Tasks window to verify the result of the operation. A task can be suspended or canceled if the processing of the task is not started.