} I have swapped out, individually, one at a time, each component of the SCSI
} subsystem - controller, cable, drive and terminator. I'm still getting the
} error message.
You left out the power supply and power cable to the drive.
I pulled out the power supply this morning, and replaced it with a brand new
unit. The system has just crashed again with the 'Invalidating pack' error
} After looking through the archives, I thought the 'Invalidating pack' message
} was a sure indicator of bad hardware/termination etc. Now I'm not so sure.
I believe this error means that the drive has gone away (power failure)
and come back (and has told FreeBSD that it has freshly powered up) in
such a way that FreeBSD has no way to tell if the drive it was talking
to before is the same drive that it is talking to now. To avoid severe
filesystem damage, FreeBSD prevents further access to the drive.
If this is the case (and I'm not doubting what you say), what else could cause
From a Sun Microsystems bug report (#4102680):
"Workaround: don't pound on the mouse like a wild monkey."
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