Dell PS4110 Hardware Owner's Manual - Page 29

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Dell PS4110 Hardware Owner's Manual
Hardware Owner's Manual
Control Module Replacement Procedures
This section describes the procedures for removing and replacing one or both control modules in your PS Series
array. The following 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 the following 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
30.)
4. Insert the replacement control module into the array. (As described in
27.)
Replacing the Active Control Module
Use one of following 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
5.)
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:
1. Replace the defective control module first, so the array has two good control modules.
2. Use the "restart" command to make the active control module secondary.
Removing a Control Module on page
Shutting Down and Restarting an Array on page
Replacing the Secondary Control Module on page
25.)
3 Maintaining Control Modules
Removing the MicroSD Card on page
Inserting the MicroSD Card on page
Installing a Control Module on page
26.)
29.)
25.)
Replacing
25