HP XP P9000 Business Continuity Manager User Guide (T5253-96086, November 2013)

3. From the local site, execute the YKRESYNC DELTAJNL command for the local-to-remote
EXCTG.
• YKQUERY
• YKRESYNC DELTAJNL
• YKEWAIT GOTO(DUPLEX)
When command execution succeeds, the status of the primary-to-remote Cnt Ac-J Z copy pair
automatically changes to HOLD (Delta Resync pair).
Operation in a 4x4 configuration that originates from the local site starts.
Failback
1. Correct the primary site storage system failure.
2. Stop operation at the local site.
3. From Remote Web Console or Business Continuity Manager, reconfigure the necessary paths
from the primary site to the local site and from the primary site to the remote site.
Using a 4x4x4 Delta Resync configuration 557