IBM System Storage DS4000, Hardware Maintenance Manual

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Performing 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, always turn off all power switches on all computing equipment.
This action helps safeguard your equipment from potential damage due to
electrical surges when power is restored. If the expansion unit loses power
unexpectedly, it might be due to a hardware failure in the power system or
midplane (see “Symptom-to-FRU index” on page 115).
Perform the following steps to shut down during an emergency:
1.
If you have time, stop all activity and check the LEDs (front and back). Make
note of any Fault LEDs that are lit so that you can correct the problem when
you turn on the power again.
2. Turn off all power supply switches; then, unplug the power cords from the
expansion unit.
Restoring power after an emergency
Perform the following steps to restart the expansion unit if you turned off the
power supply switches during an emergency shut down, or if a power failure or a
power outage occurred:
1.
After the emergency situation is over or power is restored, check the expansion
unit for damage. If there is no visible damage, continue with step 2; otherwise,
have your system serviced.
2. After you have checked for damage, ensure that the power switches are in the
off position; then, plug in the expansion unit power cords.
3. Check the system documentation for the hardware devices you intend to power
up and determine the proper startup sequence.
Note: Be sure to turn on the FAStT EXP500 before you turn on the server.
4. Turn on the power to each device, based on the startup sequence.
5.
Turn on both power supply switches on the back of the FAStT EXP500.
6. Only the green LEDs on the front and back and the amber Bypass LEDs for
unconnected GBIC ports should remain on. If other amber Fault LEDs are on,
see “Symptom-to-FRU index” on page 115 for instructions.
7. Use your installed software application as appropriate to check the status of the
expansion unit.
Specifications
The following gives the operating specifications of the FAStT EXP500.
Size (with front panel and without mounting rails)
v Depth: 56.3 cm (22.2 in)
v Height: 12.8 cm (5 in)
v
Width: 44.7 cm (17.6 in)
Weight
v Standard expansion unit as shipped: 25 kg (54.5 lbs)
v Typical expansion unit fully loaded: 35.5 kg (78 lbs)
Electrical input
v
Sine-wave input (50 to 60 Hz) is required
Chapter 13. IBM TotalStorage FAStT EXP500 Storage Expansion Unit
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