From owner-freebsd-fs@FreeBSD.ORG Wed Mar 25 03:06:59 2009 Return-Path: Delivered-To: fs@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 37D73106564A; Wed, 25 Mar 2009 03:06:59 +0000 (UTC) (envelope-from mi+thun@aldan.algebra.com) Received: from aldan.algebra.com (aldan.algebra.com [216.254.65.224]) by mx1.freebsd.org (Postfix) with ESMTP id E16EB8FC1F; Wed, 25 Mar 2009 03:06:58 +0000 (UTC) (envelope-from mi+thun@aldan.algebra.com) Received: from aldan.algebra.com (localhost [127.0.0.1]) by aldan.algebra.com (8.14.3/8.14.3) with ESMTP id n2P36wPG073585; Tue, 24 Mar 2009 23:06:58 -0400 (EDT) (envelope-from mi+thun@aldan.algebra.com) Message-ID: <49C99FD2.50609@aldan.algebra.com> Date: Tue, 24 Mar 2009 23:06:58 -0400 From: "Mikhail T." User-Agent: Thunderbird 2.0.0.18 (X11/20081126) MIME-Version: 1.0 To: "Daniel O'Connor" References: <49C83673.3000604@aldan.algebra.com> <200903251232.11418.doconnor@gsoft.com.au> <49C99204.2050601@aldan.algebra.com> <200903251334.38350.doconnor@gsoft.com.au> In-Reply-To: <200903251334.38350.doconnor@gsoft.com.au> Content-Type: text/plain; charset=KOI8-R; format=flowed Content-Transfer-Encoding: 8bit Cc: freebsd-stable@freebsd.org, fs@freebsd.org Subject: Re: dump | restore fails: unknown tape header type 1853384566 X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 25 Mar 2009 03:07:01 -0000 Daniel O'Connor ΞΑΠΙΣΑΧ(ΜΑ): >> That said, I point out, that for me, dump is not failing (although it >> did hang this morning). It is the restore, which fails to read dump's >> output: >> > > You can't tell the difference between dump producing mangled output or restore > bombing out on valid input.. > That's true. I just wanted to point out, that someone running dump only (to make backups) is not going to know, whether his dumps are usable (for whichever of the two reasons), until he needs them... -mi