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Turning off the storage server
Attention:
Fault LEDs are on. Correct the fault before you turn off the power. Use the
storage-management software and the Fault LEDs to check the overall status of the
storage server and its components. All LEDs should be green on the front of the
storage server. If they are not, use the storage-management software to diagnose
the problem (see "Monitoring status through software" on page 50). This ensures
that the storage server will power up correctly later. For more information, see
"Troubleshooting" on page 98.
The storage server is designed to run continuously, 24 hours a day. After you turn
on the storage server, do not turn it off. Turn off the power only when:
v Instructions in a hardware or software procedure require you to turn off the
v A service technician tells you to turn off the power.
v A power outage or emergency situation occurs (see "Performing an emergency
Statement 5
CAUTION:
The power control button on the device and the power supply do not turn off the
electrical current supplied to the device. The device also might have more than one
power cord. To remove all electrical current from the device, ensure that all power
cords are disconnected from the power source.
Use this procedure to turn off the power:
1. Before proceeding, use the storage-management software to determine the
2. Use the storage-management software to check the status of the storage
3. Perform the following steps:
Note: The green Drive active LED and amber Drive fault LED below the drive
CRUs might flash intermittently as the drives spin-up. Wait until the
storage server is finished powering up before checking the LEDs on the
front of the storage server. For more information, see "Checking the
LEDs" on page 50.
Except in an emergency, never turn off the power if any storage server
power.
shutdown" on page 49).
status of the system components and special instructions. The operating system
software might require you to perform other procedures before you turn off the
power.
server. Correct problems that are reported before you turn off the power.
a. Stop all I/O activity to the storage server and attached expansion units.
Make sure that:
v All of the green Drive active LEDs on the front of the storage server (and
on all attached expansion units) are not flashing.
Chapter 4. Operating the storage server
47
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