3. Disconnect power from the chassis:
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IBM SAS RAID Controller Module: Installation and User's Guide IBM BladeCenter S SAS RAID Controller Module
c. From the Available actions list, select Power Off Module(s) and click
Perform action.
d. Make sure that both SAS RAID Controller Modules are Off.
Note: It may take up to 8 minutes to fully turn off the SAS RAID Controller
Modules. If power to the chassis is disconnected before the I/O modules are
in the Off state and you turn on the chassis after 72 hours, a 9401 alert
event will be logged in the system.
a. Remove all power cords from the power modules.
b. Verify that all LEDs are off.
Note: After you disconnect the BladeCenter S chassis from power, wait at least
30 seconds before you connect the BladeCenter S chassis to power again.
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