From owner-freebsd-questions Sun Sep 30 18:10: 6 2001 Delivered-To: freebsd-questions@freebsd.org Received: from wantadilla.lemis.com (wantadilla.lemis.com [192.109.197.80]) by hub.freebsd.org (Postfix) with ESMTP id B105837B405 for ; Sun, 30 Sep 2001 18:10:00 -0700 (PDT) Received: by wantadilla.lemis.com (Postfix, from userid 1004) id 99AA86AB15; Mon, 1 Oct 2001 10:40:43 +0930 (CST) Date: Mon, 1 Oct 2001 10:40:43 +0930 From: Greg Lehey To: "Derrick T. Woolworth" , Stephen Hovey Cc: freebsd-questions@freebsd.org Subject: Re: Tape Media Problems Message-ID: <20011001104043.A31215@wantadilla.lemis.com> References: <5.1.0.14.2.20010927152316.02bc8938@mail.rndassociates.com> <5.1.0.14.2.20010927152316.02bc8938@mail.rndassociates.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5i In-Reply-To: <5.1.0.14.2.20010927152316.02bc8938@mail.rndassociates.com>; from coeus@servetheweb.com on Thu, Sep 27, 2001 at 03:56:51PM -0500 Organization: The FreeBSD Project Phone: +61-8-8388-8286 Fax: +61-8-8388-8725 Mobile: +61-418-838-708 WWW-Home-Page: http://www.FreeBSD.org/ X-PGP-Fingerprint: 6B 7B C3 8C 61 CD 54 AF 13 24 52 F8 6D A4 95 EF Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG On Thursday, 27 September 2001 at 15:56:51 -0500, Derrick T. Woolworth wrote: > I have a Tekram DC395U SCSI Adapter and a Seagate DAT DDS-4 06240-XXX 8040. > > When I attempt to write a tape block identifier to the first block I get an > i/o error. > > mt: /dev/nsa0: Input/output error > > or sometimes > > mt: /dev/nsa0: Device not configured > > And the same when I attempt to mt fsf 1 > > Running tar cf /dev/rsa0 > > (sa0:tekram_trm0:0:2:0): unable to set fixed blocksize to 1024 > (sa0:tekram_trm0:0:2:0): failed to write terminating filemark(s) > (sa0:tekram_trm0:0:2:0): tape is now frozen- use an OFFLINE, REWIND or > MTEOM command to clear this state. > > It seems to write a couple of blocks of data and then exits with a broken > pipe and fails. > > Anyone have any ideas? Looks like your drive doesn't support some block sizes. I have a Sony DDS-4 drive like this; experiment with dd to find the minimum blocksize. I'm surprised it won't take 1024 bytes, though. On Thursday, 27 September 2001 at 17:05:15 -0400, Stephen Hovey wrote: > > Ive had troubles with dat drives if: > > the wrong tape type is put in (make sure the dds-4 get appropriate tapes) No, this isn't a problem. Pre-written DDS{<4} might be, though. > The scsi chain isnt terminated right (at the end and only at the end > of the physical, not logical chain). You'll have trouble with all SCSI devices if the chain isn't correctly terminated, but that's not the case here. Greg -- When replying to this message, please copy the original recipients. If you don't, I may ignore the reply. For more information, see http://www.lemis.com/questions.html See complete headers for address and phone numbers To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message