From owner-freebsd-scsi Mon Mar 30 10:25:02 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id KAA17673 for freebsd-scsi-outgoing; Mon, 30 Mar 1998 10:25:02 -0800 (PST) (envelope-from owner-freebsd-scsi@FreeBSD.ORG) Received: from narnia.plutotech.com (narnia.plutotech.com [206.168.67.130]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id KAA17668 for ; Mon, 30 Mar 1998 10:25:00 -0800 (PST) (envelope-from gibbs@narnia.plutotech.com) Received: (from gibbs@localhost) by narnia.plutotech.com (8.8.8/8.7.3) id LAA28310; Mon, 30 Mar 1998 11:20:39 -0700 (MST) Date: Mon, 30 Mar 1998 11:20:39 -0700 (MST) From: "Justin T. Gibbs" Message-Id: <199803301820.LAA28310@narnia.plutotech.com> To: Wilko Bulte cc: scsi@FreeBSD.ORG Subject: Re: SDT-7000 and other DDS-2 tapes Newsgroups: pluto.freebsd.scsi In-Reply-To: <199803301403.QAA00666@yedi.iaf.nl> User-Agent: tin/pre-1.4-971204 (UNIX) (FreeBSD/3.0-CURRENT (i386)) Sender: owner-freebsd-scsi@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org >> I use most of my SCSI devices on a shared bus between two FreeBSD boxes. > > Hairy... One machine booting most likely result in a bus reset, with the > tape loosing position. You could get lucky and find an adapter that allows > disabling bus resets. I've always wondered if this is something the tape driver could recover from. I guess if the tape driver is recording partion, FM, and block count as it writes and the target drive allows block level repositioning that it could recover. Do all tape drives lose their position on a reset? How many support the soft reset alternative? I guess it's time to do some experimentation. -- Justin To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-scsi" in the body of the message