Changing options used by journals

Most Universal Replicator pair operations are performed on multiple pairs, which is done using journals. You can change the following options that affect the pairs in journals:

• Inflow Control—allows you to restrict the inflow of data to allow other journals with higher priority data unrestricted inflow

• Data Overflow Watch—establishes a timeout period

• Cache Mode—which you to use journal data in the cache on the secondary system

Prerequisite information

Please be aware of the following when changing journal options:

• Journal options can be changed from either the primary site or the secondary site.

• To change journal options, the status of the journal in the mirror must be one of the following:

• Initial

• Stopped

• Hold

• Holding

• Hold(Failure)

 In the 3DC configuration using delta resync, journals exists in two mirrors. The journal options cannot be changed if the journal's mirror status is Active and even if the other mirror status is Hold.

Procedure

1. Open the Journals window.

In Command Suite: On the Resources tab, expand the Storage Systems tree, right-click the target storage system, and click Journals.

In Device Manager - Storage Navigator: In the Storage System tree, click Replication > Journals.

2. Select the Journals tab, and then select the journal whose options you want to change.

3. From the Actions menu, click Journals > Edit Journal Options.

4. In the Edit Journal Options dialog box, change the following options as needed.

• Inflow Control

• Data Overflow Watch

• Cache Mode

For descriptions, see the procedure in Creating journals and adding journal volumes .

5. Click Finish.

6. In the Confirm window, review the settings and enter a task name in the Task Name box.

7. Click Apply to save your settings to the system.