Hp StorageWorks XP Remote Web Console Software Manual de usuario descargar pdf (Pagina 12)

RAID Manager

Part of XP Snapshot operations require RAID Manager. When you use RAID Manager, you do not need

to use the Remote Web Console computer. Instead, you operate XP Snapshot directly from the host

by executing th

e commands.

XP Snapshot Operations

This section describes the main operations of XP Snapshot.

Create V-VOL Management Area Operation

A V-VOL management area needs to be created in the shared memory before you use XP Snapshot. The

V-VOL management area is an important area for associating an S-VOL (a V-VOL) of XP Snapshot with a

pool-VOL. The V-VOL management area is created automatically when the additional shared memory is

installed. Please call HP technical support for the installation of additional shared memory.

There are two

kinds of areas in the V-VOL management area: pool management block and pool

associatio

n information. When you create pools or XP Snapshot pairs, the pool management block or

pool associ

ation information will be stored in the V-VOL management area; therefore, the available

capacity o

f the V-VOL management area decreases. When all capacity of the V-VOL management area

is used, th

e capacity ratio of the pool management block and the pool association information in the

V-VOL man

agement area will be ﬁxed. If the capacity of the pool management block is insufﬁcient,

problems

may occur;for example, youcannotcreatenew poolsorcreatepoolswithalargeamountof

capacity. To solve such problems, you need to initialize the V-VOL management area. For details, see

“Initializing V-VOL Management Area or Pool Management Block” on page 57.

Creation of a Pool

An XP Snapshot pool is an area to store snapshot data. A pool consists of multiple pool-VOLs, and

snapshot data is stored in a pool-VOL. 256 pool-VOLs can be registered in a pool, and 32 pools can be

created in a storage system. Figure 2 on page 12 illustrates the relationship between an XP Snapshot

pair and a pool.

Figure 2 The Mechanism of an XP Snapshot Pair and a Pool

You need to create a pool when you use XP Snapshot. Pool-VOLs registered in a pool can be added

but cannot be deleted during the operation. In addition, all snapshot data in the pool needs to be

deleted if you want to delete the pool itself.

About XP Snapshot Operations

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Hp StorageWorks XP Remote Web Console Software Manual de usuario Pagina 12