HP StorageWorks XP Remote Web Console Software - Manual (Page 37)

Continuous Access XP Journal user guide 37
NOTE:
•
Specify a port in SLPR 0 when you use LUN Manager to define an LU path to a data volume. It is
possible, but not recommended, that you specify a port in another SLPR when you define an LU path.
For more information about SLPR 0, see the HP StorageWorks XP Disk/Cache Partition User Guide.
• Volumes containing a VMA (volume management area) cannot be used as journal volumes. For more
information about a VMA, see the HP StorageWorks LUN Security XP Extension User Guide.
Table 11 lists emulation types and capacities of logical volumes that can form pairs. For more information,
see ” Maximum number of pairs ” on page 38.
Continuous Access XP Journal also supports the local disk array’s custom volume feature, which allows you
to configure custom-size LUs that are smaller than standard-size LUs. When custom-size LUs are assigned to
a Continuous Access XP Journal pair, the secondary data volume must have the same capacity as the
primary data volume.
Table 12 lists the emulation types and capacities of the master and restore journal volumes that can be
used for Continuous Access XP Journal.
Table 13 list the RAID-level combination of data volume and journal volume in the journal group that can
be used for Continuous Access XP Journal.
Maximum volume capacity Maximum capacity of volume for each emulation type
Minimum volume capacity Minimum capacity of a custom volume. Minimum capacity of a custom volume.
NOTE: A journal groups consists of
areas containing journal data and an
area containing metadata for remote
copy.
Table 11 Specifications for logical volumes that can form pairs
Item Support specification
E mulation type Same type of pair can be created for OPEN-V
Volume capacity Same capacity
Table 12 Journal volume specifications
Item Support specifications
Emulation type Same
NOTE: Only Open-V can be used for journal volumes.
Volume capacity Same or different amount of capacity is available
Table 13 RAID-level configuration of Continuous Access XP Journal
Item Support specifications
RAID configuration of data volume and journal volume RAID5 and RAID1 can coexist
Table 10 Supported data volumes and journal volumes (continued)
Type Support specifications
Data volume
Journal volume