HP XP Continuous Access Software - Manual (Page 68)

Functions and volumes Can volumes be used
as primary data
volumes?
Can volumes be used
as secondary data
volumes?
Can volumes be used
as journal volumes?
Volume to which a path
is defined
Yes. Yes. No.
Volume to which no path
is defined
No. No. No.
Volume to which LUN
security is applied
Yes. Yes. No.
¹You cannot use the volume as a Continuous Access XP Journal pair's data volume for delta resync operations
1 You cannot use the volume as a Continuous Access XP Journal pair's data volume for delta resync operations.
2 You can use the volume as a secondary data volume only when restoring a Continuous Access XP Journal pair or performing
a RAID Manager XP horctakeover operation. However, even in that case, you cannot use the volume as a Continuous Access
XP Journal pair's secondary data volume for delta resync operations.
Combining Continuous Access XP Journal with LUSE
A LUSE pvol and LUSE svol can be assigned to a Continuous Access XP Journal pair, but must consist of
the same number of LDEVs and have the same capacity. If you want to perform a LUSE management
operation to a primary or secondary data volume in an existing Continuous Access XP Journal pair,
you must delete the pair first to return the volumes to SMPL status. For detailed information about LUN
Expansion (LUSE), please refer to the HP StorageWorks XP Data Shredder User's Guide.
Combining Continuous Access XP Journal with Virtual LUN
You can perform Virtual LUN operations on primary and secondary data volumes in Continuous Access
XP Journal pairs. To perform Virtual LUN operations on a Continuous Access XP Journal primary or
secondary data volume, delete the pair first to return the volume to SMPL status.
When creating a Continuous Access XP Journal pair consisting of two Virtual LUN volumes, ensure that
the primary and secondary data volumes have the same capacity.
Combining Continuous Access XP Journal with Cache LUN XP
You can perform Cache LUN XP operations on Continuous Access XP Journal primary and secondary
data volumes.
Combining Continuous Access XP Journal with LUN Manager
LUN Manager operations do not affect Continuous Access XP Journal operations. You can also assign
volumes under secure ports and/or assigned to host groups or iSCSI targets to Continuous Access XP
Journal pairs. You can use LUN Manager to protect volumes assigned to Continuous Access XP Journal
pairs.
NOTE:
A UNIX or PC server cannot access Continuous Access XP Journal secondary data volumes unless
the pair is split.
Combining Continuous Access XP Journal and Performance Control XP
Initiator ports in the primary array do not support the HP StorageWorks Performance Control XP option.
68 Continuous Access XP Journal operations requirements and restrictions