Drive Enclosure Troubleshooting
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.
8.2Initial Start-up Problems
8.2.1Faulty 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.
8.2.2Alarm Sounds On Power Up
Please refer to Section 8.4.
8.2.3Green “Signal Good” LED on I/O Module Not Lit
Check to ensure that the cables have not been reversed during installation.
8.2.4Computer Doesn’t Recognize the Drive Enclosure Subsystem
1Check that the SAS interface cables from the drive enclosure to the host computer, or I/O controller, are fitted correctly.
2Check that all drive carrier modules have been correctly installed.
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