From owner-freebsd-stable@FreeBSD.ORG Wed Mar 25 11:56:54 2009 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id EB0221065670 for ; Wed, 25 Mar 2009 11:56:54 +0000 (UTC) (envelope-from sean@gothic.net.au) Received: from visi.gothic.net.au (123-243-120-99.static.tpgi.com.au [123.243.120.99]) by mx1.freebsd.org (Postfix) with ESMTP id 87D948FC1C for ; Wed, 25 Mar 2009 11:56:54 +0000 (UTC) (envelope-from sean@gothic.net.au) Received: from localhost (localhost [127.0.0.1]) by visi.gothic.net.au (Postfix) with ESMTP id 98D4EA6C05; Wed, 25 Mar 2009 22:40:18 +1100 (EST) X-Virus-Scanned: amavisd-new at gothic.net.au Received: from localhost ([127.0.0.1]) by localhost (visi.gothic.net.au [127.0.0.1]) (amavisd-new, port 10026) with SMTP id jOLCBKp4LhMN; Wed, 25 Mar 2009 22:40:09 +1100 (EST) Received: from sean-macbook.gothic.net.au (sean-macbook.gothic.net.au [10.168.1.31]) (using TLSv1 with cipher AES128-SHA (128/128 bits)) (No client certificate requested) (Authenticated sender: sean) by visi.gothic.net.au (Postfix) with ESMTPSA id 7623FA6C00; Wed, 25 Mar 2009 22:40:09 +1100 (EST) Message-Id: From: Sean To: Daniel O'Connor In-Reply-To: <200903251925.36108.doconnor@gsoft.com.au> Content-Type: text/plain; charset=US-ASCII; format=flowed; delsp=yes Content-Transfer-Encoding: 7bit Mime-Version: 1.0 (Apple Message framework v930.3) Date: Wed, 25 Mar 2009 22:40:08 +1100 References: <49C83673.3000604@aldan.algebra.com> <200903251820.54749.doconnor@gsoft.com.au> <49C9E635.5010106@kkip.pl> <200903251925.36108.doconnor@gsoft.com.au> X-Mailer: Apple Mail (2.930.3) Cc: "Mikhail T." , freebsd-stable@freebsd.org Subject: Re: support quality (Re: dump | restore fails: unknown tape header type 1853384566) X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 25 Mar 2009 11:56:55 -0000 On 25/03/2009, at 7:55 PM, Daniel O'Connor wrote: > On Wednesday 25 March 2009 18:37:17 Bartosz Stec wrote: >>> Yes, dump is broken for you, deal with it. It is quite possible >>> your FS >>> is corrupt, and/or your disk is damaged. >> >> ..and/or it is some other hardware problem, maybe you also should >> test >> your memory with memtest or something similiar? I'm using dump/ >> restore >> very frequently and I had never seen such problem. Neither on - >> RELAESE, >> -STABLE, nor -CURRENT. >> So I think you should make sure that your problem is not >> hardware/filesystem dependent before you point dump/restore as a >> couse >> of the problem. Peter Jeremy already gives you good hints to do that. > > One other thing would be to make absolutely sure that your version > of dump & > restore are in sync, the are very machine/version dependent. > And the system is compiled without strange CFLAGS in /etc/make.conf Great way to cause inexplicable problems because an unsafe optimisation ran rampant, which is really noticeable when it's two programs that have to be in sync. > -- > Daniel O'Connor software and network engineer > for Genesis Software - http://www.gsoft.com.au > "The nice thing about standards is that there > are so many of them to choose from." > -- Andrew Tanenbaum > GPG Fingerprint - 5596 B766 97C0 0E94 4347 295E E593 DC20 7B3F CE8C >