HP StorageWorks XP Remote Web Console Software - Manual (Page 12)

XP Snapshot secondary volumes
Table 2 Requirements for XP Snapshot S-VOLs
Requirement Item
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-V Emulation 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
Required Path definition
XP Snapshot pool volumes
Table 3 Requirements for XP Snapshot pool-VOLs
Requirement Item
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-V Emulation 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 functions 12