From owner-freebsd-fs@FreeBSD.ORG Tue Dec 13 02:11:02 2011 Return-Path: Delivered-To: freebsd-fs@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id D59481065670 for ; Tue, 13 Dec 2011 02:11:02 +0000 (UTC) (envelope-from spork@bway.net) Received: from xena.bway.net (xena.bway.net [216.220.96.26]) by mx1.freebsd.org (Postfix) with ESMTP id 9EAFD8FC1D for ; Tue, 13 Dec 2011 02:11:02 +0000 (UTC) Received: (qmail 18207 invoked by uid 0); 13 Dec 2011 01:44:21 -0000 Received: from smtp.bway.net (216.220.96.25) by xena.bway.net with (DHE-RSA-AES256-SHA encrypted) SMTP; 13 Dec 2011 01:44:21 -0000 Received: (qmail 18200 invoked by uid 90); 13 Dec 2011 01:44:21 -0000 Received: from unknown (HELO ?10.3.2.41?) (spork@96.57.144.66) by smtp.bway.net with (AES128-SHA encrypted) SMTP; 13 Dec 2011 01:44:21 -0000 References: In-Reply-To: Mime-Version: 1.0 (Apple Message framework v1084) Content-Type: text/plain; charset=us-ascii Message-Id: Content-Transfer-Encoding: 7bit From: Charles Sprickman Date: Mon, 12 Dec 2011 20:44:20 -0500 To: siur X-Mailer: Apple Mail (2.1084) Cc: freebsd-fs@freebsd.org Subject: Re: epic UFS crash 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: Tue, 13 Dec 2011 02:11:02 -0000 On Dec 12, 2011, at 1:37 PM, siur wrote: > Hello! > > Some days ago I had situation with server running under FreeBSD 7.3. > Power supply unit suddenly broke down so server switched off > incorrectly. After that hardware raid controller marked one disk in > RAID1 as degrated. Just curious, what type of RAID controller was this? Charles > We've boot system from other disk and found out, > that almost all data was gone. To be exactly, it's looks like > everything created during last uptime had just dissappeared. I mean, > literally, server looked like from the past -- there was no data newer > than summer 2010. All databases, websites, user's files -- everything > was created/modified a year ago. > Fsck created much staff in lost+found directories, but, for example, > directories looks like empty for 'ls -la', but hex dump shows > information (that's, actually more like file, not a directory). > > So, could anybody help me find out how it possibly could happen? (my > creepy story contains very few details, I understand). Does anybody > saw something like that? > I appreciate any ideas, all that shit just blowing my mind. > > P.S. Generally, is there possibility to recover data from filesystem > with corrupted metadata?(My assumption was about corrupted meta, I > hope, superblock and data itself is alive). > P.P.S Sorry for my english 8( > _______________________________________________ > freebsd-fs@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-fs > To unsubscribe, send any mail to "freebsd-fs-unsubscribe@freebsd.org" -- Charles Sprickman NetEng/SysAdmin Bway.net - New York's Best Internet www.bway.net spork@bway.net - 212.655.9344