Perform An Emergency Shutdown - IBM F10 Service Manual

The drive module is designed to run continuously, 24 hours a day. Once you turn on
the drive module, it should remain on. The only time you should turn off the power
is when:
v Support personnel or instructions in a procedure tell you to turn off the power
v A power outage or emergency situation occurs (see "Perform an Emergency
Instructions
Use this procedure to turn off the drive module's power.
1. Do the following:
2. Turn off the power (Figure 81 on page 154).

Perform an Emergency Shutdown

Attention: Emergency situations might include: fire, flood, extreme weather
conditions, or other hazardous circumstances. If a power outage or emergency
situation occurs, you should turn off the power switches on all computing
equipment.
This will help safeguard your equipment from potential damage due to electrical
surges when power is restored. If the drive module loses power unexpectedly, it
may be due to a hardware failure in the power system or mid-plane (see "Drive
Module Troubleshooting Chart" on page 198).
Instructions
Use this procedure to shutdown the drive module during an emergency.
1. Turn off all power switches and unplug the power cords (Figure 81 on
2. Go to "Restore Power After an Emergency" on page 156.
proper troubleshooting or servicing procedure to correct a fault before turning
off the power. This will ensure that the drive module will power up correctly
later. For guidance, refer to "Drive Module Troubleshooting Chart" on
page 198.
Shutdown")
v Stop all I/O activity to the drive module and attached controller
modules. If applicable, logically disconnect the drive module from the host.
Make sure that all the drive Active LEDs on the front panel and Fast Write
Cache LEDs on applicable controller modules are off (not blinking).
v Make sure that all the drive module amber Fault LEDs are off. If a Fault
LED is on, correct the problem before turning off the power (see "Drive
Module Troubleshooting Chart" on page 198).
Turn off both power switches on the back of the drive module. Wait at least ten
seconds before you turn on the power again.
page 154).
If you have time, stop all activity to the drive module and check the LEDs (front
and back). Make note of any fault LEDs that are on so you can correct the
problem when you turn on the power again.
Turn off both power switches and unplug the power cords from the back of the
drive module. If applicable, turn off the main circuit breakers in the rackmount
cabinet.
Chapter 9. Operating the Drive Module
155