HP XP P9500 - Page 385

Table 87 Using a 4x4x4 Cascade Configuration (continued)
SeeDescriptionTarget
Maintenance or
FailureNumber
Operating procedure
during a primary site
Suspend Continuous
Access Synchronous Z
Primary site storage
system failure
(nonvolatile)
8
storage system failurecopy pairs, and then
(nonvolatile) on page
8–116
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
site storage systemcopy pairs by using
failure (volatile) on
page 8–119
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
site storage systemcopy pairs by using
failure (nonvolatile) on
page 8–124
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 failurepairs whose S-VOLs
(volatile) on page
8–125
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
storage system failureJournal Z copy pairs
(nonvolatile) on page
8–128
whose S-VOLs are in
the storage system in
which the failure
occurred.
Operating procedure
during a primary site
Perform a reverse
resync for Continuous
Primary site host
failure
13
Using a 4x4x4 Cascade Configuration 385