IBM SYSTEM STORAGE EXP3000 - INTEROPERABILITY MATRIX 10-19-2010, Руководство пользователя, Страница: 49 / 64

Chapter 5. Solving problems
The following table contains troubleshooting information to help you solve some
basic problems that you might have with the EXP3000.
Table 5. Troubleshooting information
Component Problem indicator Possible cause Possible solutions
Hard disk drive Amber fault LED lit Drive failure Replace the failed hard disk drive. See “Replacing a
hot-swap hard disk drive” on page 28.
ESM Board failure Replace the failed ESM. See “Replacing an ESM”
on page 29.
Front panel General machine
fault
A status or fault LED somewhere on the EXP3000
is lit. Check for amber LEDs on components. See
Chapter 3, “EXP3000 controls, LEDs, and power,”
on page 17.
All components All green LEDs off The EXP3000 is
turned off
Make sure that all EXP3000 power cables are
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
failure
Check the main circuit breaker and ac or dc outlet.
Power-supply
failure
Replace the power supply. See “Replacing a
hot-swap power supply” on page 30.
Midplane failure Have the EXP3000 serviced.
Hard disk drives Amber fault LED
flashing
Drive rebuild or
identity in process
No action is required.
Power supply Amber fault LED lit;
green dc power LED
off
Power supply
failure; power
supply turned off;
minimum hard disk
drives not installed
1. Install four or more hard disk drives, turn off the
power, and turn it on again.
2. If the power-supply switch is on, turn off the
power supply and then turn it on again. If the
condition remains, replace the power supply.
See “Replacing a hot-swap power supply” on
page 30.
Power supply Amber fault LED lit;
green ac power LED
off
No ac power to
power supply
Check the ac power cord or breaker.
v If ac power is good at the source, replace the
power cord.
v
If the power supply has failed, replace the power
supply. See “Replacing a hot-swap power supply”
on page 30.
ESM Link fault amber LED
lit
SAS
communication
failure
1. Reconnect the SAS cable.
2. Replace the SAS cable.
3. If the LED is still lit, replace either the ESM or
the controller or device into which the other end
of the SAS cable is connected.
© Copyright IBM Corp. 2007
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