Failover – HP XP Racks User Manual
Page 551

Failover
1.
From the local site, execute the YKSUSPND REVERSE command for the Cnt Ac-S Z copy group
container.
If you specify a route list that includes the primary site when executing the YKLOAD command,
an I/O error might occur during execution of the YKQUERY or YKEWAIT command. To prevent
this I/O error, specify a route list that does not include the primary site when executing the
YKLOAD
command.
•
YKQUERY
•
YKSUSPND REVERSE
•
YKEWAIT GOTO(SUSPEND) NOINVALIDCHK
2.
Start operation at the local site.
You can start operation before executing the YKRESYNC DELTAJNL command, but the
following note applies: The time required for the status of the local-to-remote Cont AC-J Z copy
pair to change to DUPLEX increases according to the amount of data updated from the local
site after executing the YKRESYNC DELTAJNL command.
Using a 4x4x4 Delta Resync configuration
551