HP 2120 Disk System - Manual (Page 17)

17 HP StorageWorks Disk System 2120
Eng
lish
Power Off the Disk System
1 Back up all data if the disk system is still operational.
2 Ensure that no data on disk modules within the disk system is being accessed.
3 Unmount any file systems associated with the disk system that is going to be
powered off. Refer to the system administration manual for your host system’s
operating system for the correct procedure for unmounting a file system or
stopping access to the disk modules within the disk system.
4 Turn the disk system off by pressing the power button. See Figure 10 (below) for
the power button location.
5 Confirm that the storage disk system System Power LED is off. See Figure 2 on
page 9.
6 Disconnect the power cable from the power connector at the rear of the disk
system.
FIGURE 10 Power Button Location
Note If your host system’s boot or root disk drive resides in the disk
system, the host system must be brought down before the power
to the disk system can be turned off. See your host system’s
system administrator’s manual for the correct procedures.
Power
Button