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How to configure an iSCSI Backup Job on TS6000


Imaged iSCSI volume data will be backed up. Each backup job will create a snapshot before the job runs. These folder pairs can be configured. The backup source and backup destination will be paired together: shared folders on this TeraStation and iSCSI volumes, or shared folders on another Buffalo NAS device and iSCSI volumes on this TeraStation.

Note: The number of snapshots kept after backing up to the backup destination will vary depending on the auto-archive settings. If snapshots are backed up on versions later than the versions set on the backup destination, they will be reduced to the latest-configured versions.

Folders available as iSCSI backup sources:

  •  Shared folder on the backup source TeraStation – for iSCSI restoration  
  •  Shared folder on another Buffalo TS6000 NAS ("Backup" must be checked under "LAN Protocol Support") – for iSCSI restoration  
  •  The iSCSI file I/O volume on the backup source TeraStation

Folders available as iSCSI backup destinations:

  •  Shared folder on the backup source TeraStation ("Backup" must be checked under "LAN Protocol Support")
  •  Shared folder on another Buffalo TS6000 NAS ("Backup" must be checked under "LAN Protocol Support")  
  •  The iSCSI file I/O volume on the backup source TeraStation – for iSCSI restoration  

Note: If you select a shared folder as a backup source, only iSCSI volume can be selected as a backup destination vice versa. The same type of folders cannot be set in an iSCSI backup job.
Note1: it is recommended to properly unmount the TeraStation iSCSI volume from server before executing iSCSI volume backup for data consistency.

 

Preparing an iSCSI Backup Destination
First, configure a shared folder on a local or remote Buffalo TeraStation 6000 NAS device as a backup destination. Snapshot Backup source and destination both has to be TeraStation 6000 series.
The following procedure explains using another shared folder on a TeraStation 6000 as a backup destination.

1.    From the File Sharing tab, Click the settings icon to the right of “Folder Setup”.

2.    Choose/Create the folder to set as a backup destination.
On the Basic tab, under “LAN Protocol Support”, select the “Backup” checkbox.

3.    Click OK and proceed to the next step to create a backup device access key.

4.    Enter the desired characters into the backup device access key field and click OK.
 
We highly recommend entering one for the shared folder for data security.
The folder will not show up as a backup source or destination when configuring a backup job on another Buffalo NAS device unless the Access key is entered.

 


Configure an iSCSI volume Backup Job

1.    From the Backup tab, Click the settings icon to the right of “Backup”.


2.    If you had configured a backup device access key for the backup source or destination folder on another Buffalo NAS device, click Set. If you hadn’t, skip to step 4.


3.    Enter the backup device access key and click OK.


4.    Click Add.


5.    Configure backup settings such as name and the schedule to run.
Select the Operation Mode drop-down to “iSCSI Backup”
 
Click OK.
 
Check other options as desired.
Note: Using the “Backup  all snapshots” option could take a large amount of space on the Backup destination.


6.    Scroll down and click Add.


7.    Select the iSCSI volume that will be the backup source, and the shared folder that will be the backup destination.


8.    If you want to iSCSI backup to another TeraStation 6000 instead of the local NAS, follow the procedure below to add the TeraStation 6000 before selecting the backup folders.
a. Click "List of Servers" at the bottom left.
b. Click "Add"
 
c. Select the “Add Buffalo NAS device” option, enter the IP address or hostname of the destination TeraStation 6000 NAS.
Enable the “rsync Over SSH” option, enter the Username and Password of the destination TeraStation 6000 NAS.
 
Then click OK to finish.

d. Click Close when completed.
 
e. Click Refresh and make sure the desired Buffalo TeraStation 6000 shares has been added to the list.

9.    Select the iSCSI volume that will be the backup source, and the shared folder on the other TeraStation 6000 that will be the backup destination. Then click OK.

10.    Confirm the Source and Destination. Click OK to complete setup.

11.    Snapshot Backup Job setup complete.

 


Restoring iSCSI Backup
You can restore a backed up iSCSI volume either by restoring from a snapshot or from a backup destination. To restore from a backup destination, follow the procedure below.


1.    Create an iSCSI file I/O volume on the TeraStation 6000 which you want to use for restoring backed up data.
 
2.    From the Backup tab, Click the settings icon to the right of “Backup”.

3.    If you had configured a backup device access key for the backup source or destination folder on another Buffalo NAS device, click Set. If you hadn’t, skip to step 5.


4.    Enter the backup device access key and click OK.


5.    Click "Add".
 
6.    Configure backup settings such as name and the schedule to run.
Select the Operation Mode drop-down to “iSCSI Backup”
 
Click OK.
 
       Check other options as desired.

7.    Scroll down and click Add.

 

8.    Select the original backup destination folder as the backup source, then select the new created iSCSI file I/O volume created on Step.1 as the backup destination for restoring iSCSI volume. Make sure "Backup" is checked under "LAN Protocol Support".

If you are restoring from another TeraStation 6000, adding the other TeraStation’s ip to the “List of Servers” and enabling rsync over ssh is also required

10. Click "OK", then click "OK" again. The backup(restore) job will be added to the backup jobs list. If you had set the schedule to "Immediately", the backup job will run as soon as you confirm the process.
 

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