Date: Sun, 31 Dec 2000 14:49:11 -0600 From: David Kelly <dkelly@hiwaay.net> To: mjacob@feral.com Cc: freebsd-scsi@FreeBSD.ORG Subject: Re: SCSI tape diagnostics? Message-ID: <200012312049.eBVKnBQ08351@grumpy.dyndns.org> In-Reply-To: Message from Matthew Jacob <mjacob@feral.com> of "Sun, 31 Dec 2000 00:13:10 PST." <Pine.BSF.4.21.0012310010450.5032-100000@beppo.feral.com>
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Matthew Jacob writes:
>
> C'mon, David, you know the drill... CAMDEBUG kernel, camcontrol debug -Ic
<CONTROL AGENT 87 MODE>
"Ah, of course! The old 'camcontrol debug' ploy!"
</CONTROL AGENT 87 MODE>
Agree I should have known that. But for the life of me, couldn't think
of it. I don't normally have CAMDEBUG in my kernel.
> ... The 'mt' error stuff is limited to what errno can return. However, you can
> also try
>
> mt errstat
>
> on the control device to see what was latched up.
> (err, um, it *is* in the man page....)
And I did document that I tried it. The output wasn't any more
informative.
> On Sat, 30 Dec 2000, David Kelly wrote:
[...]
> > grumpy: {456} mt stat
> > mt: /dev/nsa0: Input/output error
> > grumpy: {457} mt errstat
> > mt: /dev/nsa0: Input/output error
> > grumpy: {458}
Tape is coming out of the slot a bit warmer than I remember. New case
has only one exhaust fan. Its time to use the outdoor probe on my Radio
Shack Indoor/Outdoor Digital Thermometer to see if I have a systemic
problem and need another fan. This box is a lot quieter, and I like
that. But cooked isn't fun either.
Don't know what happened but I have two tapes which the drive refuses to
accept. All others I have close at hand are "good" at least thru "mt
stat". I'll take the questionable tapes to work where I have the twin
of this drive. If it breaks there then I'll quit worrying and throw the
tapes away. How ever it turns out, its not really a FreeBSD issue.
--
David Kelly N4HHE, dkelly@hiwaay.net
=====================================================================
The human mind ordinarily operates at only ten percent of its
capacity -- the rest is overhead for the operating system.
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