install–38 - Ibm

Troubleshooting
Always use the storage-management software to diagnose storage server problems
and component failures. You can use Table 14 to find solutions to problems that
have definite indicators.
Table 14. Storage server troubleshooting
Problem
indicator
Component Possible cause Possible solutions
Amber LED on Drive CRU Drive failure Replace the drive that has failed.
Fan CRU Fan failure Replace the fan that has failed.
RAID controller RAID controller If the RAID controller Fault LED
Fault LED failure
is on, replace the RAID controller.
Amber LED is off
and green LED off
Amber and green
LEDs on
Expansion or host
port bypass LED
If theRAID controller has been
placed offline by the user, use
storage management software to
place it online. If the controller
failed, replace the RAID
controller.
SFP port empty No corrective action is needed if
this is a stand-alone storage
server with no expansion units
attached, and if the system is
properly configured.
Fibre-channel
cable is not
attached to the
expansion unit
The HBA, switch,
or expansion
units are set at
1Gb/s
No incoming
signal detected
Front panel General system
error
Power-supply
CRU
Power-supply
CRU
Power switch is
turned off or ac
power failure
Power supply
failure
70 IBM TotalStorage FAStT600 Fibre Channel Storage Server: Installation and User’s Guide
Otherwise, check to make sure
that the drive expansion unit is
powered on and the FC cables
are attached properly.
Connect the fibre-channel cable
to the enclosure port; check other
connections.
The FAStT600 supports 2Gb/s
fibre-channel connections only
using the 05.33.xx.xx firmware.
Make appropriate hardware
changes to ensure the FAStT600
ports are connecting to ports that
operate at 2Gb/s.
Reattach the SFPs and
fibre-channel cables. Replace
input and output SFPs or cables
as necessary.
Indicates that a Fault LED
somewhere on the storage server
has turned on. (Check for amber
LEDs on CRUs.). Use Storage
Manager software to diagnose
server problems.
Turn on all power-supply power
switches.
Replace the failed power-supply
CRU.