Dell PS4110 Hardware Owner's Manual - Page 33

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1. Replacing a Control Module

Hardware Owner's Manual

If two control modules are installed in the array, but only one is shown in the GUI (or CLI), make sure that

you have allowed enough time (minimum of five minutes) for the two control modules to boot and syn-

chronize. When synchronization completes, a message will appear on the serial console (if connected), and

the ACT LED on the secondary module will be orange.

If the GUI (or CLI) still shows only one control module after appropriate time has elapsed, the control mod-

ule may not be properly installed. In this case, reinstall the control module.

After reinstalling the control module, if both control modules still do not appear in the GUI (or CLI), contact

your support provider.

Replacing the MicroSD Card

Each control module includes a microSD card that contains the PS Series firmware.

If a control module fails, you'll need to remove the microSD card from the failed control module and install the

card in the replacement control module. This will make sure that the new control module is running the same

firmware as the other control module in the array.

Before you begin the procedure to replace a microSD card:

•

Review

Replacing a Control Module on page 24

ule.

•

Attach an electrostatic wrist strap, as described in

MicroSD Card Replacement Procedure

Use the following procedure for replacing the MicroSD card in your control module:

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 replacement SD card in the control module. (As described in

30.)

4. Insert the control module into the array. (As described in

Removing the MicroSD Card

To reduce the risk of losing or damaging the microSD card, do not remove it until you are ready to

Caution:

install it in the replacement control module.

for information about removing and replacing a control mod-

Protecting Hardware on page

Removing a Control Module on page

Removing the MicroSD Card on page

Inserting the MicroSD Card on page

Installing a Control Module on page

3 Maintaining Control Modules

26.)

27.)

29.)