Multiple target nodes

Multiple targets allow you to create a more configurable mapping scheme which can segregate storage into different iSCSI nodes within the iPBridge, with each iSCSI target having its own set of access criteria.

For example, if you have two servers and a library with four tapes and a media changer, the default node would provide both servers access to all tapes and the media changer (default target mode).

If you configured multiple target nodes, you are able to map some devices to one server and other devices to the other server, requiring separate user names and passwords for access using various methods including Access Control Lists, iSNS and CHAP authentication. Consult with your network administrator and refer to Exhibit 3.1-1.

Note

If you map actual storage to more than one iSCSI target and a server has authorization for both targets, the server could show duplicate storage without any warning.

Automatically configure multiple targets

1If you have not already, open an ExpressNAV session. For instructions, refer to Opening an

ExpressNAV session on page 23

2From the ExpressNAV main menu, click on the Automatic Target Management menu item on the left side of the screen.

3Click on the Map each device to its own target button.

A target name suffix is attached to the iqn of each SCSI device such as

vendorid-devicename-xxx

vendorid is the SCSI device vendor ID

devicename is the SCSI device’s inquiry device name.

xxx is a device index

When the action is complete, the iSCSI Target Management page appears.

If you are prompted to restart the iPBridge, go to the Firmware Restart page and restart the iPBridge.

Manually configure multiple target nodes

1If you have not already, open an ExpressNAV session. For instructions, refer to Opening an

ExpressNAV session on page 23

2The Status page appears. Select Auto Target Mgt menu item on the left side of the screen.

3In the iSCSI Target Management page, type [name] in the Add an iSCSI target box

The name is a suffix appended to the standard IPBridge iqn name. The suffix name can be up to 24 characters.

4Click on the device map link of your target.

5After the next mapping page opens, drag the boxes representing devices to the LUNs you want.

6Click Submit.

7Repeat from Step 3 for each node you want to configure.

8If you are prompted to restart the iPBridge, go to the Firmware Restart page and restart the iPBridge.

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ATTO Technology 1550D operation manual Multiple target nodes, Automatically configure multiple targets

1550D specifications

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