From owner-freebsd-questions Fri Apr 3 19:07:52 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id TAA10666 for freebsd-questions-outgoing; Fri, 3 Apr 1998 19:07:52 -0800 (PST) (envelope-from owner-freebsd-questions@FreeBSD.ORG) Received: from gdi.uoregon.edu (gdi.uoregon.edu [128.223.170.30]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id TAA10647 for ; Fri, 3 Apr 1998 19:07:40 -0800 (PST) (envelope-from dwhite@gdi.uoregon.edu) Received: from localhost (dwhite@localhost) by gdi.uoregon.edu (8.8.7/8.8.8) with SMTP id TAA11383; Fri, 3 Apr 1998 19:07:35 -0800 (PST) (envelope-from dwhite@gdi.uoregon.edu) Date: Fri, 3 Apr 1998 19:07:35 -0800 (PST) From: Doug White Reply-To: Doug White To: Andrew Maltsev cc: freebsd-questions@FreeBSD.ORG Subject: Re: Tape backup technique In-Reply-To: <199804012215.CAA01239@amsoft.ru> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG On Thu, 2 Apr 1998, Andrew Maltsev wrote: > > > 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. Why do you need it, btw? > > 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? Good question. You'll have to comprimise. > And yet another question - what to do if 0-level dump doesn't fit to one > tape? dump will ask for another tape. Doug White | University of Oregon Internet: dwhite@resnet.uoregon.edu | Residence Networking Assistant http://gladstone.uoregon.edu/~dwhite | Computer Science Major To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message