HP StorageWorks XP Snapshot Software user guide: HP XP12000, HP XP10000, HP 200 Storage Virtualization System (T1713-96026, March 2009)

XP Snapshot secondary volumes
Table 2 Requirements for XP Snapshot S-VOLs
RequirementItem
V-VOL
You cannot specify the following volumes as XP Snapshot S-VOLs:
• Volumes used as a XP Snapshot pair's S-VOL
• Volumes used by another software product's pair or migration plan
NOTE:
A LUSE S-VOL must be paired with a P-VOL that has the same size and structure.
Volume type
OPEN-VEmulation type
8,191
For more information about the maximum number of XP Snapshot pairs you can create,
see “Calculating the number of Snapshot XP pairs you can create” on page 20.
Maximum number
RequiredPath definition
XP Snapshot pool volumes
Table 3 Requirements for XP Snapshot pool-VOLs
RequirementItem
Logical volume (LDEV)
You cannot specify the following volumes as XP Snapshot pool-VOLs:
• LUSE volumes
• Volumes used as a XP Snapshot pair's P-VOL or S-VOL
• Volumes used by another software product's pair or migration plan
• Volumes set with the Protect or Read Only attribute, or set to the S-VOL Disable
setting by LUN Security XP Extension
• NAS volumes
Volume type
OPEN-VEmulation type
131,072
However, the maximum number of pool-VOLs that can be registered in each pool is
1,024. In addition, a volume already registered as a pool-VOL in a pool cannot be
registered in another pool.
Maximum number
Not required
Volumes with path definitions cannot be specified as pool-VOLs.
Path definition
Creating virtual volume management areas
To use XP Snapshot, you must create virtual volume (V-VOL) management areas. The V-VOL management
area is an important area for associating XP Snapshot S-VOLs (V-VOL) with pool-VOLs. The V-VOL
XP Snapshot functions12