system(s). Time and sequence information remains with the data as it moves to the master and
restore journals and then to the secondary volume.
Disaster recovery operations are possible. See
of multiple primary and secondary storage systems" (page
If an error occurs in a journal, it is possible that all journals may become suspended by the
error. See
Multiple journals per RAID Manager consistency group
Normally, only one journal can be registered in a RAID Manager consistency group. With multiple
P9500 systems, however, up to four journals may be registered in a RAID Manager consistency
group in the configuration of
Figure 5 (page
storage systems in which multiple journals are registered in a single RAID Manager consistency
group.
Figure 5 RAID Manager consistency group with multiple journals—1
30
Planning volumes and systems
"Suspension among journals " (page 125)
Figure 4 (page
30),
Figure 6 (page
31), and
"Disaster recovery when the system consists
95).
for more information.
29).
Figure 7 (page 31)
show varying configurations of