Hp StorageWorks XP Remote Web Console Software Instrukcja Użytkownika Pobierz pdf (Strona 25)

3 Preparing for XP Snapshot

Operations

This chapter describes the requirements for using XP Snapshot, the installation procedure for XP Snapshot,

and calculation of the number of pairs that XP Snapshot can create. Please read this chapter before

you start the operation of XP Snapshot.

System Requirements

XP Snapshot o

perations involve the storage system containing the primary and secondary volumes and

the license

d XP Snapshot and Business Copy feature enabled on Remote Web Console. The system

requirements for XP Snapshot are as follows.

Volume Requirements

XP Snapshot uses P-VOLs, S-VOLs, and pool-VOLs. The requirements (such as emulation type or path

deﬁnition) for the volumes used for XP Snapshot are described in this section.

Table13 Requirementsofthe P-VOLofXP Snapshot

Item

Requirement

Volume type

Logical volume (LDEV)

LUSE volume can be speciﬁed.

Note:

A LUSE P-VOL must be paired with an S-VOL of the same size and the same

structure. For example,ifaLUSE P-VOLiscreated by combiningvolumes of1GB

and 2 GB and 3 GB in this order, you must specify a LUSE volume which has

exactly the same size and the same combination order as the S-VOL.

You cannot specify the following volumes as XP Snapshot P-VOLs.

• Volumes used as pool-VOLs

• Volumes used as S-VOLs of XP Snapshot pairs

Emulation type

OPEN-V

Maximum number

16,384

For details about the maximum number of XP Snapshot pairs that can be created,

see “Calculating Maximum Number of Pairs”onpage27.

Path deﬁnition Required

Maximum capacity

2TB

XP24000 Snapshot User's Guide

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Hp StorageWorks XP Remote Web Console Software Instrukcja Użytkownika Strona 25