HP XP P9500 Storage - Manual (Page 354)

Table 101 Using a 3DC Multi-Target (Cnt Ac-J Z x Cnt Ac-J Z) configuration (continued)
See: Description Target Maintenance
or failure No.
then reverse the copy direction of the other
Continuous Access Journal Z copy pair. maintenance”
(page 363)
Then, create a Continuous Access Journal Z
copy pair between both remote sites, and
change the configuration to a 3DC
Multi-Target (Cnt Ac-J Z x Cnt Ac-J Z)
configuration in which operation is
performed from the failover-destination
remote site.
-- Operation in a 3DC Multi-Target (Cnt Ac-J
Z x Cnt Ac-J Z) configuration is not affected. Host maintenance for remote site 1 or
remote site 2 4
“Operating
procedure Delete either Continuous Access Journal Z
copy pair, and then create a Continuous Primary site storage system failure (volatile) Failure 5
during a Access Journal Z copy pair between remote
primary site sites 1 and 2, and then change the
storage system configuration to a 2DC configuration
failure (Remote 1
→ Remote 2, or Remote 2 →
(volatile)”
(page 368) Remote 1). When performing a failback,
you must re-create the Continuous Access
Journal Z copy pair you have deleted.
“Operating
procedure Primary site storage system failure
(nonvolatile) 6
during a
primary site
storage system
failure
(nonvolatile)”
(page 373)
“Operating
procedure Migrate operation to remote site 2. To
perform a failback, perform a Reverse Storage system failure (volatile) at the
primary site and remote site 1 7
during a Resync operation on the Continuous Access
storage system Journal Z copy pair between the primary site
failure (volatile) and remote site 2, and then re-create the
at the primary Continuous Access Journal Z copy pair
between the primary site and remote site 1.
site and remote
site 1”
(page 373)
“Operating
procedure Storage system failure (nonvolatile) at the
primary site and remote site 1 8
during a
storage system
failure
(nonvolatile) at
the primary site
and remote site
1” (page 376)
“Operating
procedure After error recovery, delete and re-create the
Continuous Access Journal Z copy pairs Storage system failure (volatile) at remote
site 1 or 2 9
during a between the primary site and the remote site
at which the failure occurred.
storage system
failure (volatile)
at remote site 1
or 2”
(page 376)
“Operating
procedure After error recovery, resynchronize the
Continuous Access Journal Z copy pairs Storage system failure (nonvolatile) at
remote site 1 or 2 10
during a between the primary site and the remote site
at which the failure occurred.
storage system
354 Maintenance and troubleshooting operations