HP StorageWorks XP Remote Web Console Software - Manual (Page 23)

3 Requirements for Snapshot XP
operations
This chapter describes requirements for using Snapshot XP, installing Snapshot XP, and calculating
the number of pairs that Snapshot XP can create.
Requirements for using Snapshot XP
Table 5 Requirements for using Snapshot XP
Item Requirement
RAID level RAID1, RAID5, or RAID6
Shared memory Install shared memory for the differential table on the base board.
Configure shared memory so you can create the V-VOL management area
in the shared memory.
For the XP12000/SVS200, reserve from 512 MB × 2 to 2 GB × 2 capacity
of the shared memory for the V-VOL management area on the optional
board. 1 For more information, see Calculating the number of Snapshot XP
pairs you can create .
Prerequisite software product Install Business Copy XP.
License capacity Capacity used by Snapshot XP will be subtracted from the license capacity
for Business Copy XP. Therefore, you need to ensure that the license capacity
for Business Copy XP is larger than the capacity to be used by both Business
Copy XP and Snapshot XP.
Pool Create the pool. The pool's maximum capacity changes with shared
memory's capacity.
V-VOL Create the V-VOL.
Operation Command View XP or XP Remote Web Console and RAID Manager XP
are required to operate Snapshot XP.
1 Because the XP10000/SVS200 does not have the optional board, you must reserve 342 x 2 capacity of the shared memory
on the basic board if you are using the XP10000/SVS200.
For requirements of volumes used for Snapshot XP, see Volumes Snapshot XP uses .
Installing and uninstalling Snapshot XP
This section describes procedures for installing and uninstalling Snapshot XP.
Installing Snapshot XP
1. Install additional shared memory for differential tables.
2. Install additional shared memory for the V-VOL management area.
When using an XP10000/SVS200, you do not need to install additional shared memory. You only
need to define shared memory for the V-VOL management area.
3. Install Business Copy XP, which is a prerequisite for Snapshot XP.
4. Install Snapshot XP.
HP StorageWorks Snapshot XP user guide 23