Setting the maximum initial copy activities option
You can set the number of volumes that can be copied concurrently during pair creation and pair resynchronization using the Edit Remote Replica Options window (range = 1 to 128, default = 64). You can also change this setting later as needed.
Procedure
Open the Replication window:
In Command Suite: On the Resources tab, expand the Storage Systems tree, right-click the local storage system, and click Replication Dashboard.
In Device Manager - Storage Navigator: In the Explorer pane, expand the Storage Systems tree, expand the target storage system tree, and then click Replication.
In the Replication window, click Edit Options > Remote Replication.
In the Edit Remote Replica Options window, in Copy Type, select UR.
In Maximum Initial Copy Activities, enter a value from 1 to 128 as the number of volumes that can be copied concurrently during an initial copy operation. For example, if you specify 64 for Maximum Initial Copy Activities and then register 65 pairs concurrently, the local system starts the initial copy operations for the first 64 pairs. The initial copy operation for the 65th pair is started when one of the first 64 pairs becomes synchronized, so that no more than 64 initial copy operations are performed at the same time.
The number of initial copy activities setting might affect the performance of the local storage system depending on the amount of I/O activity and the number of pairs that are registered concurrently.
If you specify a large value, the number of pending activities in a remote storage system increases, and the response time of the remote I/Os for the update I/O operations might be affected.
Click Finish.
In the Confirm window, check the settings you made, and then enter the task name in Task Name.
If you want to open the Tasks window automatically after closing this window, select Go to tasks window for status.
Click Apply.
The task is registered, and the Tasks window appears if Go to tasks window for status was selected.