Dell PowerVault NX1950 Bedienungsanleitung PDF herunterladen (Seite 49)

Detailed End-to-End iSCSI Setup 49

• Rollback—Use this option to rollback an iSCSI Virtual Disk to a previous

Snapshot. This operation uses the

temp

directory located at

C:\Windows\Temp

. Ensure that the

temp

directory contains sufficient

space to store the differential data. The rollback fails if enough space. is

not available.

Right-click on the snapshot and select

Rollback to Snapshot

. In the

pop-up message, select

Yes

To check the status of rollback, go to the

Devices

tab. The rollback

progress is displayed in % (percentage) in the Virtual Disk section of

the middle-pane.

You can also abort a rollback operation. Abort a rollback, if you can

rollback to a different snapshot. Otherwise it is highly recommended

that you allow the rollback to complete.

NOTE: If you rollback, all data on the current Virtual Disk is lost. Disconnect

all iSCSI Targets from initiator that are using this Virtual Disk. If the Virtual Disk

mounted as a read/write disk, dismount the Virtual Disk before the rollback.

Disconnecting/Cleaning Up iSCSI Devices

This section describes the procedure for cleanup operations to be performed

on iSCSI devices. You must perform the procedure cleanup operations on

both iSCSI Target and ISCSI Initiator.

From Initiator

Disconnect an active connection with Target by stopping the iSCSI

I/O operations that are running on that Target device by performing the

following steps:

Go to

Start

→

All Programs

→

Microsoft iSCSI Initiator

→

iSCSI

Initiator Properties

→

Ta rg et s

tab.

Select the Target that is

Connected

and select

Details

The

Target Properties

screen appears. In the

Sessions

tab, select the check

box beside the Identifier and click

Logoff

. The connection is disconnected.

In the

iSCSI Initiator Properties

screen, go to

Persistent Targets

tab and

remove entries of persistent Targets.

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