From owner-freebsd-current Tue Nov 16 7:32: 0 1999 Delivered-To: freebsd-current@freebsd.org Received: from feral.com (feral.com [192.67.166.1]) by hub.freebsd.org (Postfix) with ESMTP id 858B414DBD for ; Tue, 16 Nov 1999 07:31:36 -0800 (PST) (envelope-from mjacob@feral.com) Received: from beppo.feral.com (beppo [192.67.166.79]) by feral.com (8.8.7/8.8.7) with ESMTP id HAA06929; Tue, 16 Nov 1999 07:31:52 -0800 Date: Tue, 16 Nov 1999 07:31:52 -0800 (PST) From: Matthew Jacob Reply-To: mjacob@feral.com To: Greg Lehey Cc: "Rodney W. Grimes" , current@FreeBSD.ORG Subject: Re: FreeBSD 4.0 SCSI Tape Driver In-Reply-To: <19991115204113.33800@mojave.sitaranetworks.com> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG > > Every night, I do a partial backup, one file on tape for each file > system, about 12 in all. Subsequently I read the tape and list > contents until I hit EOT. OK, the first time I use a tape, there will > be nothing behind it. But the next time, the total length of tape > written may be shorter, so there will be data after logical EOT. How > is the program going to know where to stop? Every time you stop writing, that's EOT. You can't read past it with SCSI drives- really, no, you can't. You can seek to end of recorded data and start writing, but you can't read past where you've written to. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message