System Locks up overnight

[samsc]

sounds like a scsi problem

possibly a terminator issue.

try getting the terminators i recommended.

r

[tylerr]

its only happening on 1 of our 4 machines. which ones do you like?

[samsc]

sounds even more like a scsi or cabling problem.

try swapping the cables, or removing the cables from the machine thats not working correctly.

[samsc]

i think its these terminators.

they mount directly in front of the drive in a pass-through configuration inside a g5 - if you are using internal drives.

ultra 320:
http://www.tmcscsi.com/cgi-local/Sof...e81+1116763979

ultra160:
http://www.tmcscsi.com/cgi-local/Sof...e81+1116657592

[tylerr]

well i have replaced the SCSI cables on the 2 older machines and the "lemon" still locked up on me but durring rehersal. I am now going to swap out the SCSI card. The odd part is the fans defaulting to high. Or does this happen any time a G5 locks up?

Tyler

[samsc]

well i have replaced the SCSI cables on the 2 older machines and the "lemon" still locked up on me but durring rehersal. I am now going to swap out the SCSI card. The odd part is the fans defaulting to high. Or does this happen any time a G5 locks up?

Tyler

fans going high means somekind of hardware or operating system fault.
That means the OS has stopped running!

This is not a catalyst software fault.

Hugh seems to think that there are wierd permissions issues in the operating system installs as well, that might cause this.

Send him an email.

[RobF]

Hi Guys,

Just saw this thread.

I had this once.

My machine was left on ( I cannot remember if movies were playing or not).

I heard the fans speed gradually increase and keep increasing.

I have come across this behaviour before when I fitted a bad Atto SCSI card whilst upgrading a G5 to a SCSI drive; (fitting a good card solved the problem).

Hugh described it as a "kernel panic".

The odd thing is it happened when I was doing absolutely nothing at all with the machine but I was in the room working on something else.

Pretty sure this was on G21.

The interesting thing is the machine it occurred on doesn't have a SCSI drive, just a WD Raptor (Richard its the one you gave us).

At the time I just hit the reset button sharpish as the speed of the fans was increasing in an unhealthy manner.

It has not occurred since and I though nothing more of it until now.

Rob