From owner-freebsd-questions Thu Oct 28 3:31:14 1999 Delivered-To: freebsd-questions@freebsd.org Received: from news-ma.rhein-neckar.de (news-ma.rhein-neckar.de [193.197.90.3]) by hub.freebsd.org (Postfix) with ESMTP id 1C93F14F37 for ; Thu, 28 Oct 1999 03:31:09 -0700 (PDT) (envelope-from daemon@bigeye.rhein-neckar.de) Received: from bigeye.rhein-neckar.de (uucp@localhost) by news-ma.rhein-neckar.de (8.8.8/8.8.8) with bsmtp id MAA00134 for freebsd-questions@freebsd.org; Thu, 28 Oct 1999 12:31:09 +0200 (CEST) (envelope-from daemon@bigeye.rhein-neckar.de) Received: (from daemon@localhost) by bigeye.rhein-neckar.de (8.9.3/8.9.3) id MAA55591 for freebsd-questions@freebsd.org; Thu, 28 Oct 1999 12:12:03 +0200 (CEST) (envelope-from daemon) From: naddy@mips.rhein-neckar.de (Christian Weisgerber) Subject: Re: Dump and SDT9000 Tape questions Date: 28 Oct 1999 12:12:02 +0200 Message-ID: <7v97hi$1m8q$1@bigeye.rhein-neckar.de> References: <455410205.941053248@w148.z208036085.nyc-ny.dsl.cnc.net> To: freebsd-questions@freebsd.org Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG Iron Yuppie wrote: > 1) how do i figure out how much room is left on a given tape? Assuming the drive does compression, you probably can't. > 2) how do dump to the end of a tape (i.e. after the last dump rather than > at the start) after it's been rewound? Wind it forward again to the end of recorded medium ("mt eom"). Generally, see the mt(1) man page for lots of useful tape operations. > 3) how do I restore incremental backups after the first? restore -t > doesn't show anything but the first. I'm not sure I understand your problem. Use mt or restore's -s option to wind forward to a particular dump on the tape. > 4) what do i do about compression? It's a 12/24 GB tape, so I'm thinking I > put > "dump -0u -B 12582912 -b 64 /dev/nrsa0 /" dump 0auf /dev/nrsa0 / -- Christian "naddy" Weisgerber naddy@mips.rhein-neckar.de To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message