HP StorageWorks XP Disk Array Mainframe Host Attachment and Operations Guide XP24000, XP20000 (A5951 - 96151, September 2007)
DescriptionTypeNameItem
LOCAL position: The storage system is powered on/off by the
PS ON / PS OFF switch. Applies to both storage clusters.
LED TEST position: The LEDs on Control Panel go on.SwitchLED TEST/CHK RESET15
CHK RESET position: The PS ALARM and TH ALARM are reset.
Emergency Power-Off (EPO)
The disk array EMERGENCY POWER OFF (EPO) switch is located in the rear of the DKC (see the
following figure). Use this switch only in case of an emergency.
To power off the disk array in case of an emergency:
1. Go to the rear of the DKC, and pull the emergency power-off switch (item 13 in Figure 18) up
and then out towards you as illustrated on the switch.
2. Call the technical support center. The EPO switch must be reset by service personnel before the
disk array can be powered on again.
Figure 19 Emergency Power-Off (EPO)
NOTE:
This illustration does not show the service port under the EPO switch.
z/OS Operations62