Hewlett Packard Enterprise HPE XP7, User Manual, Page: 57 / 311

Item Requirement
Volume type Logical volumes (LDEVs).
You cannot specify the following volumes as FS P-VOLs:
• Pool-VOLs
• FS S-VOLs
For more information about creating pairs using other software
applications, see
Sharing Thin Image volumes with other
software applications .
Emulation type OPEN-V
Volume limit 32,768
For more information about the maximum number of FS pairs,
see
Thin Image planning requirements .
Path definitions Required. (Not required for cascaded pairs and pairs with the
clone attribute)
Volume capacity limit 256 TB
Maximum number of cascades 64 layers (L64). For each primary volume, 1,024 S-VOLs can be
used.
Maximum number of clones
1,024. When storing snapshot data, this number includes the
number of snapshots.
You can create a Fast Snap pair with or without an S-VOL. The following table lists the requirements for
Fast Snap S-VOLs.
Item Requirement
Volume type Fast Snap V-VOL (V-VOLs of provisioning type Snapshot in
RWC or V-VOL for the
raidcom add ldev -pool snap
command in RAID Manager) or THP V-VOL.
You cannot specify the following volumes as FS S-VOLs:
• Volumes that are already used as S-VOLs.
• Volumes that other software applications are using for pairs
or migration plans.
• Deduplication system data volume.
Emulation type OPEN-V
Table Continued
Fast Snap system and planning requirements 57