HP P9000 Business Continuity Manager User Guide

Failover
The failover procedure to be performed when the primary site storage system is in a nonvolatile
failure state is the same as the failover procedure to be performed when the primary site storage
system is in a volatile failure state. “Failover” (page 315) in .
Failback
1. Recover the primary site storage system from failure.
2. From the local site, execute the YKDELETE command for the Continuous Access Journal Z
copy pair.
• YKQUERY
• YKDELETE
• YKEWAIT GOTO(SIMPLEX) NOINVALIDCHECK
3. From the local site, execute the YKRESYNC REVERSE command for the Continuous Access
Synchronous Z copy pair.
322 Maintenance and Troubleshooting Operations