Control Module Replacement Procedures - Dell EqualLogic PS-M4110 Hardware Owner's Manual

Dell EqualLogic PS-M4110 Hardware Owner's Manual
• For proper cooling, do not leave a control module slot empty. If an array will operate for a long time with
only one control module, you must install a blank in the empty slot. You can order a control module blank
from your PS Series array service provider.
• Do not remove a failed control module until you are ready to replace it.

Control Module Replacement Procedures

This section describes the procedures for removing and replacing one or both control modules in your PS Series
array. These replacement scenarios are covered:
• Replacing the secondary control module in an array.
• Replacing the active control module in an array.
• Replacing both control modules in an array.
Replacing the Secondary Control Module
Use this procedure to replace the secondary control module in the array:
1. Remove the control module from the array. (As described in
2. Remove the SD card from the control module. (As described in
3. Install the SD card in the replacement control module. (As described in
48.)
4. Insert the replacement control module into the array. (As described in
44.)
Replacing the Active Control Module
Use one of these procedures to replace the active control module in the array:
• One Controller Array:
1. Shut down the system with a full shutdown. (As described in
page 4.)
2. Replace the control module. (As described in
•
Two Controller Array:
1. Use the "restart" command to make the active control module secondary.
2. Replace the control module that is now secondary (was active before the restart). (As described in
the Secondary Control Module on page
• Two Controller Array - One Controller Defective:
40
Removing a Control Module on page
Shutting Down and Restarting the Array on
Replacing the Secondary Control Module on page
40.)
Chapter Identifying Control Module Failures
Removing the microSD Card on page
Inserting the microSD Card on page
Installing a Control Module on page
41.)
47.)
40.)
Replacing