Seagate TS-251-4G User Manual download pdf (Page 80)

LUN. Click "Next".

4. Enter a name for the LUN snapshot or use the one generated by the NAS. Select an

iSCSI target where the LUN snapshot is mapped to. Click "Next". The LUN snapshot

must be mapped to another iSCSI target different from the original one.

5. Specify the snapshot schedule and the snapshot duration. The snapshot will be

removed automatically when the snapshot duration is reached.

6. The settings will be shown. Enter a name for the job or use the one generated by the

NAS. Click "Next".

7. Click "Finish" to exit.

8. The snapshot will be created immediately. The status and duration will be shown on

the list.

9. Go to "iSCSI" > "Target Management", the snapshot LUN will be shown in the iSCSI

Target List. Use iSCSI initiator software to connect to the iSCSI target and access

the point-in-time data on the snapshot LUN. For the information of connecting to the

iSCSI targets on QNAP NAS, please refer to http://www.qnap.com/pro_application.

asp?ap_id=135.

Note:

The source LUN and snapshot LUN cannot be mounted on the same NAS on

certain operating systems such as Windows 7 and Windows 2008 R2. Please mount the

LUN to different NAS servers in such case.

Managing LUN Backup/Restore/Snapshot by Com mand Line

QNAP NAS users can execute or stop the iSCSI LUN backup, restore, or snapshot jobs on

the NAS by command line. Follow the instructions below to use this feature.

Note:

The following instructions should only be operated by IT administrators who are

familiar with command line.

1. First make sure the iSCSI LUN backup, restore, or snapshot jobs have been created

on the NAS in "Storage Manager" > "iSCSI" > "LUN Backup".

2. Connect to the NAS by an SSH utility such as Pietty.

3. Login the NAS as an administrator.

4. Input the command "lunbackup". The command usage description will be shown.

5. Use the lunbackup command to start or stop an iSCSI LUN backup, restore, or

snapshot job on the NAS.

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Seagate TS-251-4G User Manual Page 80