Sun Microsystems StorEdge A3000, Руководство пользователя

Страница: 85 / 152

Chapter 4 Diagnostics and Troubleshooting 4-15
4.3.6 Cannot Access Controllers or Drives
4.3.7 Disk Drive Problem
TABLE 4-11
Cannot Access Controllers or Drives
Symptom Possible Causes Corrective Action Reference
Host or RAID
Manager errors
when attempting to
access controllers
or drives Software function or
configuration problem Check appropriate software and
documentation to make sure system
is set up correctly or proper
command was executed. RAID
Manager
or host
manuals
Controller module or
expansion cabinet is turned
off Make sure all power switches are
turned on. page 3-2
Loose or defective SCSI or
fibre optic cables Check cables and connectors
between the host, controller module,
and drive trays. page 6-2
Controller (or other hardware)
failure 1. Check for a Fault LED on the front
panel. If one is lit, go to Step 2. If not,
go to next cause. page 4-3
2. Check the canisters for fault LEDs.
Replace the failed controller (or other
failed unit). page 6-4
Controller back panel failure Replace the controller card cage (call
service technician). page 6-10
Host adapter failure Replace host adapter. Host
adapter
manual
TABLE 4-12
Disk Drive Problem
Symptom Possible Causes Corrective Action Reference
LUN in
“Degraded” mode
or LUN is “Dead”
Disk drive red LED
is on
Disk drive failure in one of the
drive trays Replace the failed disk drive. RAID
Manager
or drive
tray
manuals