Cannot Access Controllers Or Drives; Disk Drive Problem; Table 4-11 Cannot Access Controllers Or Drives; Table 4-12 Disk Drive Problem - Sun Microsystems Sun StorEdge A3500 Manual

4.3.6

Cannot Access Controllers or Drives

TABLE 4-11
Symptom
Host or RAID
Manager errors
when attempting to
access controllers
or drives
4.3.7

Disk Drive Problem

TABLE 4-12
Symptom
LUN in
"Degraded" mode
or LUN is "Dead"
Disk drive red LED
is on
Cannot Access Controllers or Drives
Possible Causes
Software function or
configuration problem
Controller module or
expansion cabinet is turned
off
Loose or defective SCSI or
fibre optic cables
Controller (or other hardware)
failure
Controller back panel failure
Host adapter failure
Disk Drive Problem
Possible Causes
Disk drive failure in one of the
drive trays
Corrective Action
Check appropriate software and
documentation to make sure system
is set up correctly or proper
command was executed.
Make sure all power switches are
turned on.
Check cables and connectors
between the host, controller module,
and drive trays.
1. Check for a Fault LED on the front
panel. If one is lit, go to Step 2. If not,
go to next cause.
2. Check the canisters for fault LEDs.
Replace the failed controller (or other
failed unit).
Replace the controller card cage (call
service technician).
Replace host adapter.
Corrective Action
Replace the failed disk drive.
Chapter 4 Diagnostics and Troubleshooting
Reference
RAID
Manager
or host
manuals
page 3-2
page 6-2
page 4-3
page 6-4
page 6-10
Host
adapter
manual
Reference
RAID
Manager
or drive
tray
manuals
4-15