HP XP P9500 Storage User Manual
Page 351

Table 105 Using a 3DC Cascade (Cnt Ac-J Z x Cnt Ac-J Z) configuration (continued)
See:
Description
Target
Maintenance
or failure
No.
storage
system
failure
(with
information
lost from
memory)”
(page 363)
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
10
configuration (Primary
→ Remote). During recovery, the Continuous Access
failure (with no
Journal Z copy pair between the intermediate site and the remote site must
be re-created.
information lost from
memory)
site
storage
system
failure
(with no
information
lost from
memory)”
(page 365)
After error recovery, delete the Continuous Access Journal Z copy pair
between the intermediate site and the remote site. Re-create the deleted
Continuous Access Journal Z copy pair.
Remote site storage
system failure (with
information lost from
memory)
11
during a
remote
site
storage
system
failure
(with
information
lost from
memory)”
(page 368)
After error recovery, resynchronize the Continuous Access Journal Z copy
pair between the intermediate site and the remote site.
Remote site storage
system failure (with
12
no information lost
from memory)
remote
site
storage
system
failure
(with no
information
lost from
memory)”
(page 369)
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
failure
13
configuration to a 3DC Multi-Target (Cnt Ac-J Z x Cnt Ac-J Z) configuration
in which operation is performed from the intermediate site (Intermediate
→
Primary, and Intermediate
→ Remote).
Create a Continuous Access Journal Z copy pair between the primary site
and the remote site, and then change the configuration to a 2DC
Path failure between
the storage systems
14
configuration (Primary
→ Remote). During recovery, the Continuous Access
at the primary site
Journal Z copy pair between the intermediate site and the remote site must
be re-created.
and the intermediate
site
Using a 3DC Cascade (Cnt Ac-J Z x Cnt Ac-J Z) configuration
351