IBM DR550, Руководство по диагностике и обслуживанию, Страница: 82 / 258

Table 9. Symptom-to-FRU index (continued)
Problem
indicator Component Possible cause Possible solutions
Amber LED is
flashing.
Drive CRUs
(Fault LED lit)
Drive identity is in
process.
No corrective action needed.
ESM port
bypass
A fibre channel
loop initialization
process (LIP) is
being generated in
the drive loop due
to a faulty
component.
Use the Read Link Status
window in the Storage Manager
Client Subsystem Management
window and the storage
subsystem event logs to isolate
the faulty component.
ESM SFP port
bypass LED
The enclosure
speed was set to 4
Gbps but the SFP
inserted in the ESM
SFP port does not
operate at 4 Gbps.
Use the Recovery Guru menu
function in the Storage Manager
Client Subsystem Management
window to verify the problem
and replace the SFP with a 4
Gbps SFP.
SFPs are inserted
into unused ESM
ports labeled 2A
and 2B.
Verify the port connections in
the back of the DR550 Expansion
Drawer and make corrections
(using port 1A and 1B) if
required.
Front panel
(Global
Summary Fault
LED)
One or multiple
CRUs has
intermittent
problems.
Use the Recovery Guru menu
function in the Storage Manager
Client Subsystem Management
window and the DR550 Storage
Controller Major Event Log to
troubleshoot the problem.
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DR550 Version 4.5 Problem Determination and Service Guide