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Cloning a volume from a remote snapshot – QNAP TVS-472XT 4-Bay NAS Enclosure User Manual

Page 141

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Important

The LUN must have at least one snapshot.

3. Click Snapshot, and then select Snapshot Manager.

The Snapshot Manager window opens.

4. Under Select snapshot location, select a remote NAS.

5. Select a snapshot.

6. Click Revert LUN Snapshot.

Warning

All changes made after the snapshot was taken will be deleted.

7. Optional: Configure the following settings.

Setting

Description

Take a new snapshot before reverting

QTS takes a snapshot before starting the revert.

This ensures that changes made to data since the

snapshot was taken are not permanently lost.

Enable encryption during transfer

QTS encrypts the snapshot before sending it for

additional security.

Re-map LUN to the same iSCSI target after revert

If enabled, QTS automatically remaps the LUN to its

current target after reverting. If disabled, you must

manually remap the LUN after reverting.

Warning

If the network connection is interrupted or if the storage configuration of the source or

destination NAS changes while reverting, the LUN might become inaccessible. If this happens,

revert the LUN again using a local or remote snapshot.

8. Click Remote Revert.

The Remote Revert Warning window opens.

9. Enter the QTS administrator password.

10. Click OK.

QTS unmaps the LUN from its iSCSI target. The status of the LUN changes to

Reverting

.

Cloning a Volume from a Remote Snapshot

Important

The time required to clone the volume depends on the amount of data stored on the

volume and the connection speed between the two NAS devices.

1. Go to Storage & Snapshots > Storage > Storage/Snapshots .

2. Select a thick or thin volume.

Important

The volume must have at least one snapshot.

3. Click Snapshot, and then select Snapshot Manager.

The Snapshot Manager window opens.

QTS 4.4.x User Guide

Storage & Snapshots

140