Dell EqualLogic PS4210 Hardware Owner's Manual page 28

PS4210 Hardware Owner's Manual
2. Remove and swap the battery from the existing control module to the replacement control module, as
described in Battery Replacement on page
3. Use the command to make the active control module secondary.
restart
4. Replace the control module that is now secondary (was active before the restart), as described in
the Secondary Control Module on page
Removing a Control Module
Before removing a control module:
• Review the information at the beginning of
• Attach an electrostatic wrist strap. See
• Disconnect any serial or network cables attached to the control module. If the other control module has open
interface connectors, reattach the network cables to the other control module to provide uninterrupted data
access.
Do not remove an active control module.
To remove a control module:
1. Push down on the orange release button (callout 1 in
2. While holding down the orange button (callout 1), swing the black release latch (callout 2) toward you.
Swinging the latch starts to eject the control module from the array. Remove the control module.
3. Place the control module on a flat surface where it will be protected from electrostatic discharge. To avoid
damage, do not place anything on top of the control module.
4. If you are replacing a failed control module, remove the microSD card from the failed control module and
install it in the replacement control module. Using the card from the failed control module ensures that the
new control module is running the correct firmware and a correct array configuration. See
MicroSD Card on page
22
26.
21.
Replacing a Control Module on page
Protecting Hardware on page
Figure 17: Removing a Control Module
24.
1.
Figure 17).
3 Maintaining Control Modules
Replacing
20.
Replacing the