8-2
8.1
Countermeasures Taken when Occurrence of a Fault is
Suspected
If you suspect the occurrence of a fault during the use of the disk array unit, check the status based on
the tables below. If a symptom which is not described in the tables at all or the specified
countermeasures cannot recover the proper operation, contact your maintenance service representative.
The POWER LED (green) does not light if the power switch is pressed.
Cause
Countermeasures
The power cord is not connected.
Check the connection of the power cord after setting
the power switch to OFF.
The AC power (100 VAC) is not supplied. Check whether 100 VAC ±10% (50/60 Hz) is
supplied.
The LINKUP LED (green) of the controller on the disk array unit connected with the FC cable,
LINKUP LED (green) of the adapter in the additional FC disk enclosure, or the LOOP STATUS LED
(green) of the host bus adapter connected with the FC cable does not light.
Cause
Countermeasures
The FC cable is not connected correctly.
Insert the connector of the FC cable until a click is
heard.
See Chapter 5 "Connection of Disk Array Unit".
The length of the FC cable exceeds the
rating value.
See Chapter 5 "Connection of Disk Array Unit".
The setting of the host bus adapter or that
of the FC-AL switch is not correct.
Provide the proper setting referring to the User's
Guides of the host bus adapter, FC-AL switch, host
unit, and those of added peripherals.
The used host bus adapter is unavailable
for the disk array unit.
Use the host bus adapter available for the disk array
unit. Contact your sales representative if unknown.
The FAULT LEDs (orange) on both adapters of the additional FC disk enclosure blink.
Cause
Countermeasures
The ENC ID switch on the adapter is set
incorrectly.
After setting the power switch to OFF, set the ENC
ID switches on the left and right adapters to be the
same. See Section 1.2.3 "Resource Configuration" in
Appendix C.
