Connecting disk shelves to a FAS270

Put on the antistatic wrist strap and grounding leash.

Make sure that both power supplies on the appliance and disk shelves are turned off.

At the rear of your FAS270, confirm that the terminate switch on the CPU module is set to Off.

Confirm that the FAS270 shelf ID is set to 1.

See Step 7 and Step 8 of Connecting a nonclustered FAS270 for additional details.

Cable the blue Fibre Channel port on the CPU module to the disk shelf LRC B module Input port of your second disk shelf. Make sure that the cable on the disk shelf is tight.

Caution
Do not use ESH modules in place of LRC modules. The FAS270/270c is not designed for use with ESH modules.

Attach the grounding cable between shelves, as shown in the illustration.

Set the disk shelf ID on your second disk shelf to 2.

Set the disk shelf loop speed to 1 Gb.

If...

Then...

This is the only disk shelf you are adding to your system

Set the terminate switch on the back of your disk shelf to On, and proceed to Connecting your appliance to a power source.

You are adding another disk shelf

Set the terminate switch on your disk shelf to Off, and proceed to Step 8.

Cable the disk shelf LRC B module Output port of your second disk shelf to the LRC B module Input port of your third disk shelf. Make sure that the cable connections on both disk shelves are tight.

Attach the grounding cable between shelves, as shown in the illustration above.

Set the disk shelf ID on your third disk shelf to 3.

Set the disk shelf loop speed to 1 Gb.

Set the terminate switch on the third disk shelf to On, and proceed to Connecting your appliance to a power source.