Failover, Failback, Failover failback – HP XP P9500 Storage User Manual
Page 373: Operating procedure, During a, Storage system, Failure (volatile), At the primary
Operating procedure during a primary site storage system failure (nonvolatile)
Failover
If a nonvolatile failure occurs in the primary site storage system, perform the same failover procedure
as the one used when a volatile failure occurs in the primary site storage system. See
in
“Operating procedure during a primary site storage system failure (volatile)” (page 368)
Failback
If a nonvolatile failure occurs in the primary site storage system, perform the same failback procedure
as the one used when a volatile failure occurs in the primary site storage system. See
in
“Operating procedure during a primary site storage system failure (volatile)” (page 368)
Operating procedure during a storage system failure (volatile) at the primary site and
remote site 1
The following are the procedures that must be performed when a volatile storage system failure
occurs at the primary site and remote site 1.
Failover
1.
From remote site 2, execute the YKSUSPND REVERSE command for the Continuous Access
Journal Z copy pair between the primary site and remote site 2.
•
YKQUERY
•
YKSUSPND REVERSE
•
YKEWAIT GOTO(SUSPEND) NOINVALIDCHECK
2.
Start operation at remote site 2.
Operation starts at remote site 2.
Using a 3DC Multi-Target (Cnt Ac-J Z x Cnt Ac-J Z) configuration 373