User`s guide

For additional information on storage device replacement, see the StorageWorks

Solutions Shelf and SBB User’s Guide.

5.6 Removing an Environmental Monitor Unit

Use the following procedure to remove an EMU:

Note

This component can be removed and installed while power is on. If the

system contains a redundant EMU, then one EMU can be hot swapped

without affecting system operation.

1. Loosen the two captive retaining screws with a ﬂat-blade screwdriver.

2. Use a gentle back-and-forth rocking motion to loosen the EMU from the

backplane.

3. Pull the EMU straight out to disconnect it from the backplane.

5.7 Installing an Environmental Monitor Unit

Use the following procedure to install an EMU:

Note

This component can be removed and installed while power is on.

1. Insert the replacement EMU into the guide slots and push it in until it is

seated.

2. Use a gentle back-and-forth rocking motion to help seat the EMU into the

backplane. Press ﬁrmly on the EMU until it is fully seated.

3. Tighten the two captive retaining screws with a ﬂat-blad screwdriver.

5.8 Removing a Controller

Use the following procedure to remove a controller:

Note

This component can be removed and installed while power is on.

1. Perform necessary procedures to shut down the controller and remove

accessory components. See the StorageWorks Array Controllers HS Family of

Array Controllers Service Manual.

2. Loosen the four captive retaining screws with a 3/32-inch Allen wrench

(HSJ-series controllers) or a ﬂat-blade screwdriver (HSD- and HSZ-series).

3. Use a gentle up-and-down rocking motion to loosen the controller from the

backplane.

4. Pull the controller straight out to disconnect it from the backplane and place

it on an approved ESD work surface or mat.

5–6 Removal and Installation Procedures