From owner-freebsd-questions@FreeBSD.ORG Thu May 19 15:58:16 2005 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 45F1C16A4D2 for ; Thu, 19 May 2005 15:58:16 +0000 (GMT) Received: from dan.emsphone.com (dan.emsphone.com [199.67.51.101]) by mx1.FreeBSD.org (Postfix) with ESMTP id C449743D78 for ; Thu, 19 May 2005 15:58:14 +0000 (GMT) (envelope-from dan@dan.emsphone.com) Received: (from dan@localhost) by dan.emsphone.com (8.13.1/8.13.3) id j4JFwCP6055834; Thu, 19 May 2005 10:58:12 -0500 (CDT) (envelope-from dan) Date: Thu, 19 May 2005 10:58:12 -0500 From: Dan Nelson To: Jonathan Belson Message-ID: <20050519155812.GC82926@dan.emsphone.com> References: <428CAB4B.6080907@witchspace.com> <20050519152040.GB82926@dan.emsphone.com> <428CB5DB.4020005@witchspace.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <428CB5DB.4020005@witchspace.com> X-OS: FreeBSD 5.4-STABLE X-message-flag: Outlook Error User-Agent: Mutt/1.5.9i cc: freebsd-questions@freebsd.org Subject: Re: Rewinding tapes X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 19 May 2005 15:58:16 -0000 In the last episode (May 19), Jonathan Belson said: > Dan Nelson wrote: > > "mt rewind" is synchronous on all the tape drive I have used it on > > (dat, dlt, 9-track, 3490). > > Apologies, it's 'tar' that seems to return when the drive is still > busy - attempting to access the tape device before it's finished > making groaning noises gives an input/output error. > > # tar -cv /some/dir > > # tar t > tar: Error opening archive: Error reading '/dev/ast0': Input/output error That's not my experience either. Maybe it's a bug in the ata code? I wonder if atapicam works for tape drives. -- Dan Nelson dnelson@allantgroup.com