HP P9000 Business Continuity Manager User Guide

Table 87 Using a 4x4x4 Cascade Configuration (continued)
SeeDescriptionTarget
Maintenance or
FailureNumber
host failure on page
8–129
Access Synchronous Z
copy pairs, and then
change the
configuration to a
Multi-Target
configuration in which
operation is performed
from the intermediate
site.
Operating procedure
during a path failure
Suspend Continuous
Access Synchronous Z
Path failure between
the Primary >
14
between the primarycopy pairs by usingIntermediate storage
systems site storage systemthe Continuous Access
and the intermediateSynchronous Z
site storage system on
page 8–132
Consistency
Preservation function,
and then
resynchronize them.
Performing Primary Site Storage System Maintenance
The following explains the procedures for performing primary site storage system maintenance.
Failover
1. Stop operation on the primary site.
2. From the intermediate site, execute the YKSUSPND REVERSE command for the Continuous
Access Synchronous Z copy group container.
• YKQUERY
• YKSUSPND REVERSE
• YKEWAIT GOTO(SUSPEND)
3. Start primary site storage system maintenance.
386 Maintenance and Troubleshooting Operations