Tru64 system stops with fan failure message

Sept 01, 2015

Problem

Cannot boot Tru64 UNIX due to fan failure message.

Tru64 version 5.x shutdown with the message: "The system fan has failed and the system is shutting down now.".

Example:

Solution

Tru64 temperature monitoring should be disabled or better not installed (if installing from scratch)

Boot single user
Mount / for read-write
Mount /usr
Force environmental daemon not to start at boot
Switch to multiuser mode by either entering "exit" or by pressing <CTRL-D>
Detailed operations:

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