HP XP P9500 Storage - Manual (Page 376)

Operating procedure during a storage system failure (nonvolatile) at the primary site
and remote site 1
Failover
If a nonvolatile storage system failure occurs at the primary site and remote site 1, perform the
same failover procedure as the one used when a volatile storage system failure occurs at those
sites. See
“Failover” (page 373) in “Operating procedure during a storage system failure (volatile)
at the primary site and remote site 1” (page 373) .
Failback
If a nonvolatile storage system failure occurs at the primary site and remote site 1, perform the
same failback procedure as the one used when a volatile storage system failure occurs at those
sites. For details, see
“Failback” (page 374) in “Operating procedure during a storage system failure
(volatile) at the primary site and remote site 1” (page 373) .
In step 3, however, you do not have to register the journal group, and execute the YKRESYNC
command instead of the YKMAKE command.
Operating procedure during a storage system failure (volatile) at remote site 1 or 2
The following are the procedures that must be performed when a volatile storage system failure
occurs at remote site 1 or 2.
The procedure below applies when a storage system failure occurs at remote site 1. If a storage
system failure occurs at remote site 2, replace remote site 1 with remote site 2 in the procedure.
Preparing
No action is required.
Recovering
1. Recover the storage system at remote site 1 from the failure.
376 Maintenance and troubleshooting operations