Dell PowerVault NX1950 Manuel d'utilisateur télécharger pdf (Page 46)

46 Detailed End-to-End iSCSI Setup

After making necessary changes, click

NOTICE: Although you do not change the default settings, go to Volume→

Properties→ Shadow Copies→ Settings and click OK. Perform this action especially

in a PowerVault NX1950 cluster solution to ensure proper Snapshot recovery in the

event of cluster node failure. Active snapshots may be lost on account of a cluster

node failure, if you do not have enough space or if you have not configured the

Snapshots properly. When the Snapshot size exceeds the maximum size of the

storage area, the oldest snapshot is deleted.

NOTE: Each volume can have up to 512 snapshots for iSCSI Virtual Disks,

irrespective of the number of Virtual Disks created in the volume. Snapshots are

space efficient because they are differential copies.

Scheduling Snapshots

To Schedule Snapshots for iSCSI Virtual Disks, perform the following steps:

Go to

PowerVault NX 1950 Management Console

→

Microsoft iSCSI

Software Target

Go to the

Snapshots

tab, right-click

Schedules

and select

Create

Schedule

The

Welcome to the Schedule Snapshot Wizard

screen is displayed.

Click

The Schedule Actions screen is displayed and the following options are

available:

Take snapshots of the Virtual Disks (default)

Take snapshots of the Virtual Disks and mount the

snapshots locally

Select one option and click

In a PowerVault NX1950 cluster solution, the

Resource Group

screen is

displayed. Select the

Resource Group

Cluster Group

from the

drop-down menu. If your system is configured with 3.1 iSCSI Target, select

the

Resource Group

iSCSI HA instance

from drop-down menu.

In the

Name

screen, enter a Schedule name and click

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Dell PowerVault NX1950 Manuel d'utilisateur Page 46

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