HP XP P9500 Storage User Manual

Page 351

Advertising
background image

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)

“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

10

during an

configuration (Primary

→ Remote). During recovery, the Continuous Access

failure (with no

intermediate

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)

“Operating
procedure

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)

“Operating
procedure

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

during a

no information lost
from memory)

remote
site
storage
system
failure
(with no
information
lost from
memory)”
(page 369)

“Operating
procedure

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

during a

configuration to a 3DC Multi-Target (Cnt Ac-J Z x Cnt Ac-J Z) configuration

primary

in which operation is performed from the intermediate site (Intermediate

Primary, and Intermediate

→ Remote).

site host
failure”
(page 370)

“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

Path failure between
the storage systems

14

during a

configuration (Primary

→ Remote). During recovery, the Continuous Access

at the primary site

path

Journal Z copy pair between the intermediate site and the remote site must
be re-created.

and the intermediate
site

failure

Using a 3DC Cascade (Cnt Ac-J Z x Cnt Ac-J Z) configuration

351

Advertising