HP XP P9500 Storage User Manual
Page 473
Table 107 Using a 4x4x4 Cascade Configuration (continued)
See
Description
Target
Maintenance or
Failure
Number
“Operating Procedure
During a Primary Site
Suspend Continuous
Access Synchronous Z
Primary site storage
system failure
(nonvolatile)
8
copy pairs, and then
change the
configuration to a 4x4
configuration
(Intermediate
→
Remote).
“Operating Procedure
During an Intermediate
Suspend Continuous
Access Synchronous Z
Intermediate site
storage system failure
(volatile)
9
copy pairs by using
the Continuous Access
Synchronous Z
Consistency
Preservation function.
The Continuous
Access Synchronous Z
copy pairs whose
S-VOLs are in the
storage system in
which the failure
occurred must be
deleted and then
recreated.
“Operating Procedure
During an Intermediate
Suspend Continuous
Access Synchronous Z
Intermediate site
storage system failure
(nonvolatile)
10
copy pairs by using
Failure (Nonvolatile)”
(page 503)
the Continuous Access
Synchronous Z
Consistency
Preservation Function,
and then
resynchronize them.
“Operating Procedure
During a Remote Site
Delete the Continuous
Access Journal Z copy
Remote site storage
system failure (volatile)
11
Storage System Failure
(Volatile)” (page 504)
pairs whose S-VOLs
are in the storage
system in which the
failure occurred, and
then reregister the
EXCTG.
“Operating Procedure
During a Remote Site
Resynchronize the
Continuous Access
Remote site storage
system failure
(nonvolatile)
12
Journal Z copy pairs
whose S-VOLs are in
the storage system in
which the failure
occurred.
Using a 4x4x4 Cascade Configuration 473