HP XP P9500 Storage - Manual (Page 350)

Table 105 Using a 3DC Cascade (Cnt Ac-J Z x Cnt Ac-J Z) configuration (continued)
See: Description Target Maintenance
or failure No.
maintenance”
(page 352)
“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 355)
“Performing
remote 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
site
storage
system
maintenance”
(page 358)
“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 Primary site host
maintenance 4
site host configuration to a 3DC Multi-Target (Cnt Ac-J Z x Cnt Ac-J Z) configuration
maintenance”
(page 359) in which operation 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 (with
information lost from
memory) Failure 7
during a
primary
site
storage
system
failure
(with
information
lost from
memory)”
(page 362)
“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 (with
no information lost
from memory) 8
during a
primary
site
storage
system
failure
(with no
information
lost from
memory)”
(page 362)
“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 Intermediate site
storage system 9
during an configuration (Primary
→ Remote). During recovery, the Continuous Access
failure (with
intermediate Journal Z copy pairs must be re-created between the primary site and the
intermediate site, and between the intermediate site and the remote site. information lost from
memory)
site
350 Maintenance and troubleshooting operations