Performing primary site storage system maintenance, Failover – HP XP P9500 Storage User Manual
Page 352
Table 105 Using a 3DC Cascade (Cnt Ac-J Z x Cnt Ac-J Z) configuration (continued)
See:
Description
Target
Maintenance
or failure
No.
between
the
storage
systems at
the
primary
site and
the
intermediate
site”
(page 372)
After error recovery, resynchronize the Continuous Access Journal Z copy
pair between the intermediate site and the remote site.
Path failure between
the storage systems
15
at the intermediate
site and the remote
site
failure
between
the
storage
systems at
the
intermediate
site and
the
remote
site”
(page 373)
TIP:
The term "storage system failure, with information lost from memory," indicates a failure that
causes the loss of information in memory. In such a failure, the copy pair information and the data
are completely lost, so the hardware information must be reconfigured.
This section provides maintenance and troubleshooting procedures for 3DC Cascade (Cnt Ac-J Z
x Cnt Ac-J Z) configurations.
The figures in the procedures in this section use the following legend.
The bullet lists under the figures in the procedures show the commands that must be executed.
Performing primary site storage system maintenance
The following are the procedures for primary site storage system maintenance.
Failover
1.
Stop operation at the primary site.
352 Maintenance and troubleshooting operations