Disk noises and Tyan S2468UGN
kus at free.net
Fri Sep 13 06:25:45 PDT 2002
According to Joel Jaeggli
> Thermal recalibration of the head sounds like the most likely cause...
I thought about the same, but every 20 seconds ???!!!
Zelinsky Inst. of Organic Chemistry
> On Thu, 12 Sep 2002, David Mathog wrote:
> > Our S2468UGN has 5 x 36 GB IBM disks in it, 2 on one
> > SCSI bus, 3 on the other. These are IBM IC35L036UWD210-0.
> > They work fine, pass all diagnostics, including exhaustive
> > surface testing using IBM's Drive Fitness Test 3.10. But the odd
> > thing is that there is a semiperiodic (mean maybe 20 seconds, but
> > huge variance) noise from one or more of the disks which sounds
> > for all the world like a quieter version of a DLT tape repositioning.
> > That is, a longish (1.5 seconds?) whir followed immediately by a
> > shorter sort of "shunk" at the end. Some sort of movement sound,
> > but not anything that sounds like an overt failure.
> > I can't see the individual drive lights on these disks because
> > of the way they are mounted, in fact, I don't even know that
> > they have drive lights, so I can't really say if this is one drive
> > doing this or all 5 drives doing it once in a while. The main system
> > drive light does not come on when this sound is made. I upgraded
> > to the latest Tyan BIOS (v4.03) and it still occurs. The sound is
> > produced whenever there is power: sitting in the BIOS, waiting in
> > DOS, running linux, etc.
> > Has anybody else observed this?
> > Any idea what it might be?
> > Thanks,
> > David Mathog
> > mathog at caltech.edu
> > Manager, Sequence Analysis Facility, Biology Division, Caltech
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> Joel Jaeggli Academic User Services joelja at darkwing.uoregon.edu
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