HP StorageWorks XP12000 - Disk Array Owner's Manual page 24

Item
Label
1
SUB-SYSTEM
READY
2 SUB-SYSTEM
ALARM
3
SUB-SYSTEM
MESSAGE
4 SUB-SYSTEM
RESTART
24
Hardware
Description
Indicator
LED
During normal operation, this LED should be on.
(Green)
ON: Input/output operation on
the channel interface is enabled.
OFF: The system is not accepting data.
LED (Red)
During normal operation, this LED should be off.
ON: One or more of the following:
The DC is under the voltage of the
DKC part. The DC is over current.
The temperature is abnormally high.
An unrecoverable failure has occurred. If
the disk array is set up to "phone home"
to STC, your HP support representative is
notified automatically. If the disk array is
not set up to "phone home," place a service
call to HP to have the message evaluated
to determine if any action is required.
BLINKING: The DC is under the voltage of the
DKU part.
LED
During normal operation, this LED should be off.
(Amber)
ON: A service information message (SIM)
has been issued from either storage cluster.
If the disk array is set up to "phone home"
to STC, your HP support representative is
notified automatically. If the disk array is
not set up to phone home, place a service
call to HP to have the message evaluated
to determine if any action is required.
BLINKING: An SVP failure has occurred. The
disk array will continue to operate normally.
Place a service call to HP to ensure notification.
SVP failures might not be reported automatically
to STC.
Switch If a blocked path occurs between a host and
a disk drive, this switch is used to unfence
the fenced drive path and to release Write
Inhibit.During normal operation, this switch
should be in the upper position.Restarting the
subsystem performs a soft reset to try to recover.
If the system restart does not unblock the path,
an HP support representative will be notified.
Do not change the switch position unless
directed to do so by HP service personnel.