IBM DS3500

Table 9. Troubleshooting
Problem
indicator Component Possible cause Possible solutions
Amber LED is lit Drive (drive
fault LED)
Drive failure Replace the failed drive. See
Chapter 5, “Replacing
components,” on page 93 for
more information.
Drive uncertified Verify the drive and part number
to make sure that it is supported
by the DS3500. See
http://www.ibm.com/systems/
storage/disk/.
RAID controller
(service action
required LED)
RAID controller
failure
Replace the RAID controller. See
Chapter 5, “Replacing
components,” on page 93 for
more information.
The controller was
placed offline by a
user or the other
controller.
Use the Subsystem Management
window to place the controller
back online. If the controller
continues going to an offline state
after being placed online, replace
the RAID controller.
RAID controller
(battery fault
LED)
Battery unit failure Use the DS Storage Manager
software to confirm the failure;
then, replace the failed battery
unit.
RAID controller
(SAS link
service action
LED)
SAS cable failure Replace the SAS cable.
SAS host bus
adapter failure
Check the SAS host bus adapter
in the host and replace the
adapter if necessary.
SAS port failure Replace the controller. See
Chapter 5, “Replacing
components,” on page 93 for
more information.
Front bezel
(system error
LED)
General machine
fault
A fault LED is lit somewhere on
the storage subsystem (check for
amber LEDs on components).
General machine
fault (continued)
Open the Subsystem
Management window and click
Recovery Guru to see problems
in the DS3500 configuration.
Some errors cause the system
error LED to be lit but not cause
any individual component fault
LEDs to be lit. (Drive PFA
exceeded or nominal temperature
exceeded errors are examples.)
Follow the corrective actions in
the Recovery Guru window.
128 System Storage DS3500 and EXP3500: Installation, User’s, and Maintenance Guide