Sharing Business Copy Volumes; Open Volume Management; Cache Residency; Lun Manager - HP XP P9500 User Manual

3 Sharing Business Copy volumes

Business Copy volumes can be shared with other HP program products. This chapter discusses
requirements, recommendations, and restrictions for using Business Copy with other products.

Open Volume Management

Both LUSE and Virtual LUN volumes can be used as Business Copy volumes.
With LUSE volumes, the P-VOL and S-VOL must have the same configuration (the same LU
capacity and the same number of LUs).
With Virtual LUN volumes, the P-VOL and S-VOL must have the same capacity.

Cache Residency

Volumes with Cache Residency settings can be used as Business Copy P-VOLs and S-VOLs.
NOTE: See the discussion of Quick Restore in
information about performing quick restore operations on volumes that have Cache Residency
settings.

LUN Manager

LUN Manager operations do not affect Business Copy operations. Volumes that are under secure
ports and/or that are assigned to World Wide Name (WWN) groups and/or LUN groups can
also be assigned to Business Copy pairs. Volumes that are assigned to Business Copy pairs can
also be used in LUN Manager operations, such as assignment to WWN groups, and/or LUN
groups.
Business Copy S-VOLs cannot be accessed by a host except when the pair is split.

Data Retention

You can create Business Copy pairs using volumes to which the following Data Retention's access
attributes are set:
Read/Write
Read Only (Volume)
Protect
However, a volume with the S-VOL Disable attribute cannot be used as a Business Copy S-VOL.
The only Business Copy operation you can perform on the Business Copy S-VOL that has the
S-VOL Disable attribute is the Delete operation.
All operations can be performed on Business Copy P-VOL that have the S-VOL Disable attribute.

Auto LUN

The following Business Copy volumes can be assigned to migration volumes of Auto LUN:
L1 P-VOL with up to two S-VOLs.
L2 P-VOL with one or no S-VOLs.
Reserved volumes.
Business Copy pairs must be deleted and any reserved Business Copy S-VOLs must be un-reserved
before assigning or reserving those volumes to Auto LUN migration volumes.
Business Copy volumes cannot be used for destination volumes.
18 Sharing Business Copy volumes
"Planning for performance " (page 16) for