HP XP P9500 Storage User Manual
Page 349
7.
From the primary host, make sure that the Cnt Ac-S Z copy group status is SWAPPING, and
then execute the YKRESYNC FORWARD command for the Cnt Ac-S Z copy group.
8.
Transfer the application information to the primary site.
Using a 3DC Cascade (Cnt Ac-J Z x Cnt Ac-J Z) configuration
The following table explains how to perform maintenance for a 3DC Cascade (Cnt Ac-J Z x Cnt
Ac-J Z) configuration and how to take action if a failure occurs.
Table 105 Using a 3DC Cascade (Cnt Ac-J Z x Cnt Ac-J Z) configuration
See:
Description
Target
Maintenance
or failure
No.
Suspend the Continuous Access Journal Z copy pair between the primary
site and the intermediate site, and then change the configuration to a 2DC
configuration (Intermediate
→ Remote).
Primary site storage
system maintenance
Maintenance
1
Using a 3DC Cascade (Cnt Ac-J Z x Cnt Ac-J Z) configuration 349