HP XP P9500 - Page 298

Table 82 Using a Delta Resync Configuration
SeeDescriptionTarget
Maintenance or
FailureNo.
Performing primary
site storage system
maintenance
Perform a delta
resync, and then
change the
Primary site storage
system maintenance
Maintenance1
configuration to a
2DC configuration
(Local > Remote).
Performing local site
storage system
maintenance
Suspend Cnt Ac-S Z
copy pairs, and then
change the
Local site storage
system maintenance
2
configuration to a
2DC configuration
(Primary > Remote).
Performing remote site
storage system
maintenance
Suspend Cnt Ac-J Z
copy pairs, and then
change the
Remote site storage
system maintenance
3
configuration to a
2DC configuration
(Primary > Local).
Performing primary
site host maintenance
Perform a delta
resync, and then
Primary site host
maintenance
4
change the
configuration to a
3DC Multi-Target
configuration in which
operation is performed
from the local site
(Local > Primary, Local
> Remote).
—Operation in a delta
resync configuration is
not affected.
Local site host
maintenance
5
—Operation in a delta
resync configuration is
not affected.
Remote site host
maintenance
6
Operating procedure
during a primary site
Perform a delta
resync, and then
Primary site storage
system (volatile)
Failure7
storage system failure
(volatile)
change the
configuration to a
2DC configuration
(Local > Remote).
During failback, Cnt
Ac-S Z copy pairs and
Cnt Ac-J Z copy pairs
must be deleted and
then recreated.
Operating procedure
during a primary site
Perform a delta
resync, and then
Primary site storage
system failure
(nonvolatile)
8
storage system failure
(nonvolatile)
change the
configuration to a
2DC configuration
(Local > Remote).
Operating procedure
during a local site
Suspend Cnt Ac-S Z
copy pairs, and then
Local site storage
system failure (volatile)
9
storage system failure
(volatile)
change the
configuration to a
2DC configuration
298 Maintenance and Troubleshooting Operations