HP StorageWorks XP Remote Web Console Software - Manual (Page 109)

Figure 46 Examples of Configurations where an XP12000 Disk Array is Used as the
Subordinate DKC
◦ When the supervisor DKC is an XP12000/XP10000 Disk Array and the subordinate
DKCs are XP24000/XP20000 Disk Arrays.
When the supervisor DKC of the secondary storage system is an XP12000/XP10000
Disk Array and the subordinate DKCs are XP24000/XP20000 Disk Arrays, there are
limitations for the journal groups that can be registered in the extended consistency group.
The journal groups that can be registered in an extended consistency group and the
journal groups that cannot be registered in an extended consistency group are described
below:
– As described in configuration example 1 in Figure 46 (page 109) , the journal group
of LDKC00 of an XP24000/XP20000 Disk Array (subordinate DKC) can be registered
in the extended consistency group.
– As described in configuration example 2 in Figure 46 (page 109) , the journal group
of LDKC01 of an XP24000/XP20000 Disk Array (subordinate DKC) cannot be
registered in the extended consistency group.
Configuration where XP12000/XP10000 and XP24000/XP20000 Disk Arrays are Connected 109