*BSD News Article 96287


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From: Chris Mauritz <ritz@interactive.spamthat.net>
Subject: Re: Virtual file systems (striping) on BSDI 3.0x86?
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Date: Tue, 27 May 1997 10:37:25 GMT
Xref: euryale.cc.adfa.oz.au comp.unix.bsd.bsdi.misc:6915

Casper <casper@rage.hostile.net> wrote:
:P~Terry Kennedy <terry@spcuna.spc.edu> wrote:
:P~> matt <casper@rage.hostile.net> writes:
:P~> > sd0: sn 2108290: media error: unrecovered read error (41 retries)
:P~> > sd0: retry 0
:P~> > sd0: sn 2108290: media error: unrecovered read error (41 retries)
:P~> > sd0: retry 0
:P~> > sd0: sn 2108290: media error: unrecovered read error (41 retries)
:P~> >

:P~>   It's the physical drive failing. You don't say anything about what brand/
:P~> model your drive(s) are, or what enclosures you're using, so it's a bit hard
:P~> to give good advice.

:P~Here is the dmesg info on my drives

:P~bha0 at isa0 iobase 0x330 irq 11: BusLogic BT-946C rev 4.25J (32-bit)
:P~Delaying for SCSI bus reset and device self tests
:P~bha0: sync, parity

:P~tg0 at bha0 target 0: sync rate 10.00 MB/s, period 100 ns, offset 15, disconnect off
:P~sd0 at tg0 unit 0: disk: SEAGATE ST15230N rev 0298 (SCSI-2) 8386733*512
:P~tg1 at bha0 target 1: sync rate 10.00 MB/s, period 100 ns, offset 15, disconnect off
:P~sd1 at tg1 unit 0: disk: SEAGATE ST15230N rev 0638 (SCSI-2) 8386733*512
:P~tg2 at bha0 target 2: sync rate 10.00 MB/s, period 100 ns, offset 15, disconnect off
:P~sd2 at tg2 unit 0: disk: SEAGATE ST15230N rev 0638 (SCSI-2) 8386733*512
:P~tg3 at bha0 target 3: sync rate 10.00 MB/s, period 100 ns, offset 15, disconnect off
:P~sd3 at tg3 unit 0: disk: SEAGATE ST15230N rev 0638 (SCSI-2) 8386733*512
:P~tg4 at bha0 target 4: sync rate 10.00 MB/s, period 100 ns, offset 15, disconnect off
:P~sd4 at tg4 unit 0: disk: Quantum XP34300W rev L912 (SCSI-2) 8399520*512

:P~All of the drives are inside the computer.

:P~I also have this message in my dmesg's
:P~bha0: warning, interrupts not working, using polling

:P~I have had two differnt drives on sd0 give me the same messages.
:P~The other drive is a Seagate ST19171WC 9Gig.

Looks like your Buslogic card is badly misconfigured and/or is
arguing with another device for an interrupt.  That is probably
at the root (wink) of your problem.  Secondly, it's probably a
very bad idea to have all those drives stuffed in the same box
with the cpu.  I doubt they're being adequately cooled.  Lastly,
I've been told that it's not a good idea to mix and match drives
for striping applications.  Note that even the Seagates with
similar model numbers are using different firmware revs.  Oh
yeah, you should probably have disconnects turned on too.

Cheers,

Chris
-- 
Christopher Mauritz           | For info on internet access:
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