From owner-freebsd-questions Fri Apr 3 14:18:51 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id OAA16283 for freebsd-questions-outgoing; Fri, 3 Apr 1998 14:18:51 -0800 (PST) (envelope-from owner-freebsd-questions@FreeBSD.ORG) Received: from amsoft.ru (amsoft.ru [194.87.86.241]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id OAA16123 for ; Fri, 3 Apr 1998 14:17:31 -0800 (PST) (envelope-from am@amsoft.ru) Received: (from am@localhost) by amsoft.ru (8.8.8/amsoft/1.0) id CAA01239 ; Thu, 2 Apr 1998 02:15:31 +0400 (MSD) From: Andrew Maltsev Message-Id: <199804012215.CAA01239@amsoft.ru> Subject: Re: Tape backup technique In-Reply-To: from "Doug White" at "Apr 3, 98 12:34:29 pm" To: dwhite@resnet.uoregon.edu Date: Thu, 2 Apr 1998 02:15:31 +0400 (MSD) Cc: freebsd-questions@FreeBSD.ORG Organization: AM'soft X-Location: Oryol (http://www.oryol.ru/), Russia X-Phone: +7 086 229 9988 X-Mailer: ELM [version 2.4ME+ PL32 (25)] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG > > Is there any good tutorial on doing tape backups? I have a lot of > > unanswered questions and all the process is not clean for in > > details.. > > > > Is it really impossible to know current tape position? > > Pretty much. Thus the existence of the `mt' command. Of course I'm using `mt' to rewind and jump over the files, but I see no command to get tape position. > > My SCSI HP SureStore (HP HP35480A T603) cannot reliably tell when > > the tape finished to `dump -a'. What to do? > > use the -B and -b options ot specify number of blocks on the tape and > the number of K in a block. See the manpage. The streamer does compression. So what is number of blocks? And yet another question - what to do if 0-level dump doesn't fit to one tape? To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message