Date: Fri, 15 May 1998 18:49:54 -0600 (MDT) From: "Justin T. Gibbs" <gibbs@narnia.plutotech.com> To: Paul Saab <paul@mu.org> Cc: scsi@FreeBSD.ORG Subject: Re: aborted commands Message-ID: <199805160049.SAA24446@narnia.plutotech.com> In-Reply-To: <19980515191832.A2506@mu.org>
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In article <19980515191832.A2506@mu.org> you wrote: > Hi, > > recently I have been having problems with my scsi bus resetting > and aborting commands. I have 2 DACS-34330W drives connected > internally anda tape connected externally to a 2940UW. > > The error I got today was this: > May 15 19:01:37 elvis /kernel: sd3(ahc1:0:0): ABORTED COMMAND > asc:1b,0 Synchronous data transfer error > May 15 19:01:37 elvis /kernel: , retries:4 This usually means that the req/ack offset was overflowed. This typically happens due to noise on the req/ack line causing either the initiator or target to believe that a byte was acked when it wasn't. > It the disk dying or do I need to look closely at cable length and > termination? I have checked termination over and over and it it > correct. On the controller I have the bios set for termination > automatic if that helps in tracking the problem down. It may be that the automatic termination code is not working properly. Try using a manual termination setting. > Thanks, > > paul -- Justin To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-scsi" in the body of the message
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