Hp StorageWorks XP Remote Web Console Software Manual de usuario descargar pdf (Pagina 15)

• The required time for deleting snapshot data or XP Snapshot pairs is several seconds, and

sometimes morethanten minutes. Thetimewillincrease ifthe deletedpair uses a largeamount

of the pool, or if multiple pairs are deleted at one time.

• When you delete an XP Snapshot pair, the status of the volumes becomes SMPL(PD). Use Business

Copy’s Pair Operation window to see the status of the volume.

Using RAID Manager, you can check the volume status by the pairdisplay command, but you

cannot distinguish between an SMPL volume and an SMPL(PD) volume. To distinguish between an

SMPL volume and an SMPL(PD) volume by using RAID Manager, you need to issue the inqraid

command as well. The inqraid command will show you whether or not the volume is being used

by XP Snapshot. As a result of the inqraid command, if the volume is not used by XP Snapshot, the

volume status is SMPL. If the volume is used by XP Snapshot, the status of the volume is SMPL(PD).

Status of the XP Snapshot Pairs

When you create or split an XP Snapshot pair, the status of the pair changes. Figure 3 on page 15 shows

the transitions of the status of an XP Snapshot pair.

SMPL

Creating a pair (COPY)

S-VOL P-VOL

PAIR / PFUL

S-VOL P-VOL

PSUS / PFUS

Restoring

a pair (COPY(RS-R))

（SMPL

(

)

）

S-VOL P-VOL

PAIR

S-VOL

P-VOL

PSUE

Deleting a pair

Storing Snapshot data in the pool

Failure

Pool usage exceeds

the threshold

Deleting snapshot

data

(COPY(RS))

Deleting a pair

Figure 3 XP Snapshot Pair Status Transitions

1. If avolumeisnot assigned to an XP Snapshotpair, itsstatusisSMPL.

2. Iss

ue the paircreate command on the SMPL volume to create an XP Snapshot pair. When you

create the ﬁrst pair for the P-VOL, the pair status changes to COPY, and then the pair status

changes to PAIR when the operation completes.

XP24000 Snapshot User's Guide

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