Removing And Installing A Cover; Installing A Controller - IBM DS3500 Installation, User's, And Maintenance Manual

DANGER
Electrical voltage and current from power cables are hazardous. To
avoid a shock hazard, always place electrical equipment on dry,
static-free level surfaces. Never turn on any electrical equipment when
there is evidence of fire, water, or structural damage.
c. Place the controller on a dry, static-free level surface.
Attention: After you remove a controller, wait 70 seconds before you reseat or
replace the controller. Failure to do so might cause unpredictable results.

Removing and installing a cover

To remove a cover from a controller, complete the following steps:
1. Read the safety information that begins on page "Safety" on page ix and "Best
practices guidelines" on page 8.
2. Press on the two release buttons and slide the cover toward the rear of the
controller.
Figure 89. Removing the cover
3. Remove the cover and save it for future use.
To install a cover on a controller, complete the following steps:
1. Read the safety information that begins on page "Safety" on page ix and "Best
practices guidelines" on page 8.
2. Align the cover on the controller and slide it toward the front of the controller
to install it.

Installing a controller

Use this procedure to install a second controller. The second controller is controller
B. If the storage subsystem contains only one controller, that controller is controller
A.
Attention: Ensure that the two controllers have the same host port adapter,
DIMM size, and options. An incompatible controller will be placed in a lockout
state by the other controller.
Release
buttons
Chapter 5. Replacing components
107