Turning Off The Storage Server - IBM TotalStorage DS4100 Installation, User's, And Maintenance Manual

Turning off the storage server

Attention:
Fault LEDs are on. Correct the fault before you turn off the power. Use the DS4000
Storage Manager client 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 DS4000 Storage Manager client to diagnose
the problem (see "Monitoring status through software" on page 70). This ensures
that the storage server will power up correctly later. For more information, see
Chapter 6, "Hardware maintenance," on page 111.
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.
Perform the following steps to turn off the power:
1. Before proceeding, use the DS4000 Storage Manager client to determine the
2. Use the DS4000 Storage Manager client to check the status of the storage
green on the front of the storage server. If they are not, use the DS4000
Storage Manager client to diagnose the problem (see "Monitoring status through
software" on page 70).
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 71.
Except in an emergency, never turn off the power if any storage server
power.
shutdown" on page 69).
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.
Chapter 4. Operating the storage server
67