From owner-freebsd-questions Fri Mar 27 21:04:23 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id VAA29752 for freebsd-questions-outgoing; Fri, 27 Mar 1998 21:04:23 -0800 (PST) (envelope-from owner-freebsd-questions@FreeBSD.ORG) Received: from mail.exo.net.au (root@sky-valley.exo.net.au [203.14.230.103]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id VAA29724 for ; Fri, 27 Mar 1998 21:04:04 -0800 (PST) (envelope-from bullseye.apana.org.au!andymac@mail.exo.net.au) Received: by mail.exo.net.au id m0yInmc-0004tOC (Debian Smail-3.2 1996-Jul-4 #2); Sat, 28 Mar 1998 16:03:54 +1100 (EST) Received: from bullseye.apana.org.au (central [203.9.107.245]) by bullseye.apana.org.au (8.6.12/8.6.12) with SMTP id JAA00707; Sat, 28 Mar 1998 09:17:14 +1000 Date: Sat, 28 Mar 1998 07:12:36 +1000 (EST) From: Andrew MacIntyre To: Val cc: Greg Lehey , freebsd-questions@FreeBSD.ORG Subject: Re: HP Colorado T4000 Tape and tape backup in general In-Reply-To: Message-ID: X-X-Sender: andymac@bullseye.apana.org.au MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG On Fri, 27 Mar 1998, Val wrote: > > > I had a tape backup sitting next to the computer for a while now. > > > It is detected on the scsi bus on the startup. > > > I wasn't using it much because the tar command would take forever to > > > backup about 2Gb of data, and after about 6-7hours would give some error > > > message. > > > > Which error message? > Well, i am waiting for it right now(as I said takes forever), I can't really advise about the error code you report, however the T4000 is a streaming drive and you may find that using a larger blocking factor helps - the default is 20 IIRC (10kB); I'd suggest start experimenting with a blocking factor of 64 (32kB; which is what I use with dump on my T4000). -- Andrew I MacIntyre "These thoughts are mine alone..." E-mail: andrew.macintyre@aba.gov.au (work) | Snail: PO Box 370 andymac@bullseye.apana.org.au (play) | Belconnen ACT 2616 Fido: Andrew MacIntyre, 3:620/243.18 | Australia To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message