HP XP P9500 Storage - Manual (Page 138)

Figure 24 Remote command device configuration for delta resync
When mapping to remote command devices on each site is complete, you must assign mirror IDs
to the remote command devices. This is required to enable communication for delta resync
operations.
Assign mirrors to remote command devices
The use of mirrors with remote command devices allows you to determine whether the delta resync
operation can be performed. You assign mirror IDs after setting up remote command devices as
described in the previous section.
Prerequisites
•
To assign a mirror to a remote command device, the mirror’s status must be one of the following:
Initial, Active, Halt, Stopped, Hold, Holding, Hold(Failure) or Holding(failure)
•
Perform this operation per journal.
To assign mirror IDs to remote command devices
1. In Remote Web Console, select Actions > Remote Copy > Continuous Access Journal Z >
Journal Operation. The Journal Operation window displays.
2. In the tree, select a master or restore journal below Registered.
3. Click to change the mode from View to Modify.
4. In the mirror list, right-click the mirror(s) that you want to assign to the remote command device
and click Journal > Assign R-Cmd. Dev from the menu that displays. The Assign Remote
Command Device dialog box displays, as shown below.
5. Assign mirror IDs to remote command devices as follows:
•
On primary site:
- Assign mirror ID 00 to the remote command device that is mapped to on the intermediate
site.
138 Continuous Access Journal Z configurations with Continuous Access Synchronous Z