Library Table of Contents Index Previous Page (Alt-p) Next Page (Alt-n) Comments

Removing a disk shelf from a loop

Removing a daisy-chained disk shelf  Top

To remove a disk shelf from a loop of disk shelves, complete the following steps.

Step

Action

1

Put on the antistatic wrist strap and grounding leash.

2

If the disk shelf connects to a...

Then...

Filer/FAS appliance

Shut down the filer/FAS appliance by entering the following command at the console:

halt

Caution
Always use the halt command to perform a clean shutdown.

NetCache appliance

  1. From the NetCache Manager home page, select Maintenance tab > System Control > Halt/Reboot.
  2. Select Halt NetCache.
3

Verify that the LCD display at the front of your storage appliance displays the following message:

Halted
4

If the disk shelf has...

Then...

AC power supplies

Turn off the power switch on the disk shelf.

DC power supplies

Turn off and unplug the cables from the power source.

5

Disconnect the two disk shelf power cords from the disk shelf that you are going to remove.

6

Disconnect the Fibre Channel cables connecting the disk shelf to the other disk shelves or the storage appliance.

7

Disconnect the grounding strap connecting the disk shelf to the other disk shelves or the storage appliance.

8

Use a Phillips screwdriver to remove the screws from the flanges of the disk shelf retention bracket.

9

With the help of another person, remove the disk shelf from the rack.

WARNING
Because the disk shelf is very heavy when fully loaded, it is advised that at least two people remove the disk shelf.

10

If you are...

Then...

Not installing a replacement disk shelf

  1. Reestablish the loop by connecting the disconnected disk shelves or by connecting the unconnected disk shelf to the storage appliance.
  2. Set the termination switch on Channel A (down) and Channel B (up) to the On position.

Installing replacement disk shelf

See Installing a disk shelf in a rack.

Library Table of Contents Index Previous Page (Alt-p) Next Page (Alt-n) Comments