HP XP P9500 Storage - Manual (Page 331)

Table 100 Using a 3DC Cascade (Cnt Ac-J Z x Cnt Ac-J Z) configuration (continued)
See: Description Target Maintenance
or
failure No.
maintenance”
(page 333)
“Performing
intermediate Create a Continuous Access Journal Z copy pair between the primary site and
the remote site, and then change the configuration to a 2DC configuration
(Primary
→ Remote).
Intermediate site
storage system
maintenance 2
site storage
system
maintenance”
(page 335)
“Performing
remote site Suspend the Continuous Access Journal Z copy pair between the intermediate
site and the remote site, and then change the configuration to a 2DC
configuration (Primary
→ Intermediate).
Remote site storage
system maintenance 3
storage
system
maintenance”
(page 338)
“Performing
primary Reverse the copy direction of the Continuous Access Journal Z copy pair between
the primary site and the intermediate site, and then change the configuration Primary site host
maintenance 4
site host to a 3DC Multi-Target (Cnt Ac-J Z x Cnt Ac-J Z) configuration in which operation
maintenance”
(page 339) is performed from the intermediate site (Intermediate
→ Primary, and Intermediate
→ Remote).
-- Operation in a 3DC Cascade (Cnt Ac-J Z x Cnt Ac-J Z) configuration is not
affected. Intermediate site host
maintenance 5
-- Operation in a 3DC Cascade (Cnt Ac-J Z x Cnt Ac-J Z) configuration is not
affected. Remote site host
maintenance 6
“Operating
procedure Suspend the Continuous Access Journal Z copy pair between the primary site
and the intermediate site, and then change the configuration to a 2DC
configuration (Intermediate
→ Remote).
Primary site storage
system failure
(volatile) Failure 7
during a
primary
site storage
system
failure
(volatile)”
(page 342)
“Operating
procedure Suspend the Continuous Access Journal Z copy pair between the primary site
and the intermediate site, and then change the configuration to a 2DC
configuration (Intermediate
→ Remote).
Primary site storage
system failure
(nonvolatile) 8
during a
primary
site storage
system
failure
(nonvolatile)”
(page 342)
“Operating
procedure Create a Continuous Access Journal Z copy pair between the primary site and
the remote site, and then change the configuration to a 2DC configuration Intermediate site
storage system
failure (volatile) 9
during an (Primary → Remote). During recovery, the Continuous Access Journal Z copy
intermediate pairs must be re-created between the primary site and the intermediate site,
and between the intermediate site and the remote site.
site storage
system
failure
(volatile)”
(page 343)
“Operating
procedure Create a Continuous Access Journal Z copy pair between the primary site and
the remote site, and then change the configuration to a 2DC configuration Intermediate site
storage system
failure (nonvolatile) 10
during an (Primary → Remote). During recovery, the Continuous Access Journal Z copy
pair between the intermediate site and the remote site must be re-created. intermediate
site storage
Using a 3DC Cascade (Cnt Ac-J Z x Cnt Ac-J Z) configuration 331