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Drive Enclosure Troubleshooting
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Chapter 8
Drive Enclosure Troubleshooting
8.1 Overview
The SGI InfiniteStorage15000 Drive Enclosure includes an Enclosure Services Processor and associated
monitoring and control logic to enable it to diagnose problems within the enclosure’s power, cooling,
and drive systems.
The sensors for power and cooling conditions are housed within the PCMs. Each unit is independently
monitored.
8.2 Initial Start-up Problems
8.2.1 Faulty Cords
First check that you have wired up the subsystem correctly. If:
• cords are missing or damaged,
• plugs are incorrect,
• cords are too short,
Call your supplier for a replacement.
8.2.2 Alarm Sounds On Power Up
Please refer to Section 8.4.
8.2.3 Green “Signal Good” LED on I/O Module Not Lit
Check to ensure that the cables have not been reversed during installation.
8.2.4 Computer Doesn’t Recognize the Drive Enclosure Subsystem
1 Check that the SAS interface cables from the drive enclosure to the host computer, or I/O controller, are
fitted correctly.
2 Check that all drive carrier modules have been correctly installed.