Symptom-To-Fru Index; Symptom-To-Fru Index For Fastt Exp500; Storage Expansion Unit - IBM TotalStorage DS4000 Hardware Maintenance Manual

Symptom-to-FRU index

Note: The PD maps found in the IBM TotalStorage DS4000 Problem Determination
Use Table 51 to find solutions to problems that have definite symptoms.
Table 51. Symptom-to-FRU index for FAStT EXP500 storage expansion unit
Problem Indicator
Amber LED On (Front Panel)
Amber LED On (Hard Disk Drive)
Amber LED On (Fan)
Amber LED On
Amber LED On, Green LED Off (Power Supply)
Amber and Green LEDs On (Power Supply)
All Green LEDs Off
Intermittent power loss to expansion unit
One or more Green LEDs Off (Power Supply)
One or more Green LEDs On (Drives)
Intermittent Power Loss
Random errors
One or more Green LEDs blinking slowly. (All hard disk
drives.)
Hard disk drive not visible in RAID management
software.
Guide provide you with additional diagnostic aids.
Chapter 13. IBM TotalStorage FAStT EXP500 Storage Expansion Unit
Action/FRU
1. General Machine Fault Check for amber LED on
expansion unit. Use the RAID manager software to
check the status.
1. Hard Disk Drive
1. Fan
1. ESM board
1. Turn Power Switch On
2. Power cord
3. Reseat Power Supply
4. Power Supply
1. Power Supply
1. Check AC voltage cabinet AC voltage line inputs
2. Power Supplies
3. Midplane board
1. Check AC voltage line inputs, and cabinet power
components
2. Power Supplies
3. Midplane board
1. Turn Power Switch On
2. Power cord
3. Reseat Power Supply
4. Power Supply
1. No activity to the drive
2. This can be normal activity
1. AC power or plug
2. Power supply
3. Midplane
1. Midplane board
1. Check cabling scheme
2. FC Cable
3. GBIC
1. Hard Disk Drive
2. Midplane Board
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