Connect the drive shelf
You connect the drive shelf to controller A, confirm IOM status, and then connect the drive shelf to controller
B.
Step 1. Connect the drive shelf to controller A. The following figure shows an example connection between
an additional drive shelf and controller A.
Step 2. In ThinkSystem System Manager, click Hardware.
Note: At this point in the procedure, you have only one active path to the controller shelf.
Step 3. Scroll down, as necessary, to see all the drive shelves in the new storage system. If the new drive
shelf is not displayed, resolve the connection issue.
Step 4. Select the ESMs/IOMs icon for the new drive shelf.
The Shelf Component Settings dialog box appears.
Step 5. Select the ESMs/IOMs tab in the Shelf Component Settings dialog box.
Step 6. Select Show more options, and verify the following:
• IOM/ESM A is listed.
• Current data rate is 12 Gbps for a SAS-3 drive shelf.
• Card communications is OK.
Step 7. Connect the drive shelf to controller B.
Chapter 2. System setup and configuration 29
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