Hp StorageWorks XP Remote Web Console Software Instrukcja Użytkownika Pobierz pdf (Strona 65)

You can store one snapshot data at a time by using the pairsplit command, but you cannot specify

the snapshot data ID. For details about the pairsplit command, see the HP StorageWorks XP RAID

Manager User’s Guide.

Note:

XP Snapshot does not support Quick Split mode. If you specify Quick Split mode, snapshot data

will not be stored in the pool, even if the command ends normally.

Restoring XP S

napshot Pairs

Use the pairre

sync -restore command of the RAID Manager to restore XP Snapshot pairs. The XP Snapshot

pairmustbeinPSUSstatuswhenyou restorethe pair.

When the restoration completes, the pair status changes to PAIR. For details about the pairresync -restore

command, see t

he HP StorageWorks XP RAID Manager User’s Guide.

Warning

:If a f

ailure occurs during the restoration, the pair status changes to PSUE. To recover the PSUE

pair, you nee

d to delete the snapshot data of the pair. When you recover the PSUE pair by deleting its

snapshot dat

a, data in the P-VOL will not be guaranteed. Therefore, you need to overwrite the P-VOL with

the backup d

ata or format the P-VOL.

Note:

XP Snapshot does not support Quick Restore mode. If you specify Quick Restore mode, XP

Snapshot pair will not be restored even if the command ends normally.

Deleting Snapshot Data

Use the pairresync command of the RAID Manager to delete snapshot data. You can store up to 64

snapshot data per P-VOL. Therefore, if you want to store the new snapshot data in a P-VOL that already

has 64 snapshot data, you need to delete the old snapshot data.

If you delete snapshot data, free area in the pool will increase. To increase the free area in the pool,

delete snapshot data by issuing the pairresync command on the XP Snapshot pairs in PSUS status.

However, if the snapshot data you try to delete shares a data area with other snapshot data, only the

snapshot ID will be deleted and the data itself will not be deleted from the pool.

For details about the pairresync command, see the HP StorageWorks XP RAID Manager User’s Guide.

Note:

XP Snapshot does not support Quick Resync mode. If you specify Quick Resync mode, snapshot

data will not be deleted even if the command ends normally.

Deleting XP Snapshot Pairs

Use the command of the RAID Manager or the Pairsplit-S dialog box to delete XP Snapshot pairs.

If you use the RAID Manager to delete XP Snapshot pairs, you need to use the pairsplit -S command. By

using this command, you can delete only one pair at a time. For details about the pairsplit -S command,

see the H

PStorageWorksXPRAID Manager User’s Guide.

If you us

e the Pairsplit-S dialog box, you can delete multiple pairs at a time. You can open the Pairsplit-S

dialog b

ox either from Business Copy’s Pair Operation window or the XP Snapshot window. To select

the pai

rs to be deleted by port or host group, open the Pairsplit-S dialog box from the Pair Operation

window

. To select the pairs by pool, open the Pairsplit-S dialog box from the XP Snapshot window.

Deleting XP Snapshot Pairs by Selecting the Pairs per Port

To delete XP Snapshot pairs by selecting the pairs per port:

1. Change the mode of the Remote Web Console to Modify.

If the mode is already changed to Modify, you can skip this step. For information on how to

change the mode, see the HP StorageWorks XP24000 Remote Web Console User’s Guide.

2. Display the Pair Operation window.

3. In the tree, select the port or host group that contains the XP Snapshot pairs you want to delete.

XP24000 Snapshot User's Guide

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