Table of Contents
Advertisement
Chapter 5. Solving problems
The following table contains troubleshooting information to help you solve some
basic problems you might have with the EXP3000. It contains the problem
symptoms and suggested actions to take to resolve the problem.
Table 5. Troubleshooting information
Component
Problem indicator
Hard disk drive
Amber LED on
ESM
Front panel
All components
All green LEDs off
Hard disk drives
Amber LED flashing
Power supply
Amber LED is lit and
the green dc power
LED off
Power supply
Amber LED on and
green ac power LED
off
ESM
Link fault amber LED
is on
© Copyright IBM Corp. 2006
Possible cause
Possible solutions
Drive failure
Replace the failed hard disk drive. See "Replacing a
hot-swap hard disk drive" on page 23.
Board failure
Replace the failed ESM. See "Replacing an ESM"
on page 24.
General machine
Indicates that a status or fault LED somewhere on
fault
the EXP3000 is turned on. Check for amber LEDs
on components. See Chapter 3, "EXP3000 controls,
LEDs, and power," on page 13.
The EXP3000 is
Check that all EXP3000 power cables are
turned off
connected and that the power is on. If applicable,
make sure that the main circuit breakers for the rack
are turned on.
ac or dc power
Check the main circuit breaker and ac or dc outlet.
failure
Power supply
Replace the power supply. See "Replacing a
failed
hot-swap power supply" on page 26.
Midplane failure
Have the EXP3000 serviced.
Drive rebuild or
No corrective action is needed.
identity is in
process
Power supply
If the power supply switch is on, turn off the power
failure; power
supply and then turn it back on. If the condition still
supply is turned
exists, replace the power supply. See "Replacing a
off; minimum hard
hot-swap power supply" on page 26. Install four or
disk drives are not
more hard disk drives and recycle the power.
installed.
No ac power to
If ac power is good at the source, replace the power
power supply.
cord. If the power supply has failed, replace the
Check the ac
power supply. See "Replacing a hot-swap power
power cord (cable)
supply" on page 26.
or breaker
SAS
Reconnect the SAS cable. Replace the SAS cable.
communication
If the LED is still lit, replace either the ESM or the
failure
controller or device into which the other end of the
SAS cable is connected.
27
Hide quick links:
Advertisement
Table of Contents
