From owner-freebsd-scsi Thu Jan 29 04:23:04 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id EAA28287 for freebsd-scsi-outgoing; Thu, 29 Jan 1998 04:23:04 -0800 (PST) (envelope-from owner-freebsd-scsi@FreeBSD.ORG) Received: from relay.nuxi.com (nuxi.cs.ucdavis.edu [128.120.56.38]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id EAA28272 for ; Thu, 29 Jan 1998 04:23:02 -0800 (PST) (envelope-from obrien@NUXI.com) Received: (from obrien@localhost) by relay.nuxi.com (8.8.7/8.6.12) id MAA08377; Thu, 29 Jan 1998 12:22:30 GMT Message-ID: <19980129042230.43963@relay.nuxi.com> Date: Thu, 29 Jan 1998 04:22:30 -0800 From: "David E. O'Brien" To: David Vrtin Cc: freebsd-scsi@FreeBSD.ORG Subject: Re: DAT/dump problem Reply-To: obrien@NUXI.com References: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Mailer: Mutt 0.81 In-Reply-To: ; from David Vrtin on Thu, Jan 29, 1998 at 12:39:12PM +0100 X-Warning: Mutt Bites! X-Operating-System: FreeBSD 2.2.5-STABLE Organization: The NUXI *BSD group X-PGP-Fingerprint: B7 4D 3E E9 11 39 5F A3 90 76 5D 69 58 D9 98 7A X-Pgp-Keyid: 34F9F9D5 Sender: owner-freebsd-scsi@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org X-To-Unsubscribe: mail to majordomo@FreeBSD.org "unsubscribe freebsd-scsi" > "man dump" says: > > -a ``auto-size''. Bypass all tape length considerations, and enforce > writing until an end-of-media indication is returned. This fits > best for most modern tape drives. Use of this option is particu- > larly recommended when appending to an existing tape, or using a > tape drive with hardware compression (where you can never be sure > about the compression ratio). This is a hope, not current reality. ``dump -a'' is broken on -STABLE and -CURRENT. The new CAM subsystem for -CURRENT either fixes this, or promisses to fix this. -- -- David (obrien@NUXI.ucdavis.edu -or- obrien@FreeBSD.org)