From owner-freebsd-scsi Wed Jan 26 16:18:15 2000 Delivered-To: freebsd-scsi@freebsd.org Received: from feral.com (feral.com [192.67.166.1]) by hub.freebsd.org (Postfix) with ESMTP id EF83B15464 for ; Wed, 26 Jan 2000 16:18:12 -0800 (PST) (envelope-from mjacob@feral.com) Received: from beppo.feral.com (beppo [192.67.166.79]) by feral.com (8.9.3/8.9.3) with ESMTP id QAA01712; Wed, 26 Jan 2000 16:17:46 -0800 Date: Wed, 26 Jan 2000 16:17:43 -0800 (PST) From: Matthew Jacob Reply-To: mjacob@feral.com To: Greg Lehey Cc: Palle Girgensohn , "Louis A. Mamakos" , freebsd-scsi@FreeBSD.ORG Subject: Re: cannot mt retension (seagate python) In-Reply-To: <20000127092913.C53307@freebie.lemis.com> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-scsi@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org > On Wednesday, 26 January 2000 at 14:33:37 -0800, Matt Jacob wrote: > >>> Hmm... my tapes sometimes jam. I though a retension would help, but > >>> I guess I have to calculate on a certain amount of failure. > >> > >> No, this is a problem with your drive. This shouldn't happen, and > >> it's a bad sign. > > > > This happens with some frequency with DAT. Regular head cleaning > > helps, > > That depends on what's causing the jamming. I've never seen any > relationship between jamming and head cleaning. If enough gunk builds up on the heads, the tape lifts off slightly and starts a roll which can get reverse wrapped around a capstan roller. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-scsi" in the body of the message