From: Andreas Dilger Subject: Re: Mentor for a GSoC application wanted (Online ext2/3 filesystem checker) Date: Tue, 22 Apr 2008 17:37:59 -0600 Message-ID: <20080422213144.GW2775@webber.adilger.int> References: <20080419012952.GE25797@mit.edu> <20080419185603.GA30449@mit.edu> <480A42F6.2030005@redhat.com> <804dabb00804220954s67d56cacj89098d88697565aa@mail.gmail.com> <480E1A3F.9030103@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7BIT Cc: Peter Teoh , Theodore Tso , Alexey Zaytsev , linux-ext4@vger.kernel.org, linux-fsdevel@vger.kernel.org, Rik van Riel To: Eric Sandeen Return-path: Received: from sca-es-mail-2.Sun.COM ([192.18.43.133]:50875 "EHLO sca-es-mail-2.sun.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751684AbYDVXiF (ORCPT ); Tue, 22 Apr 2008 19:38:05 -0400 In-reply-to: <480E1A3F.9030103@redhat.com> Content-disposition: inline Sender: linux-ext4-owner@vger.kernel.org List-ID: On Apr 22, 2008 12:02 -0500, Eric Sandeen wrote: > Peter Teoh wrote: > > On Sun, Apr 20, 2008 at 3:07 AM, Eric Sandeen wrote: > >> If you really just want to verify a snapshot of the fs at a point in > >> time, surely there are simpler ways. If the device is on lvm, there's > >> already a script floating around to do it in automated fasion. (I'd > >> pondered the idea of introducing META_WRITE (to go with META_READ) and > >> maybe lvm could do a "metadata-only" snapshot to be lighter weight?) > > > > Can I know where is this script? Or if u cannot locate it, does it > > have any resemblance to all the stuff mentioned below?. > > Google for "lvcheck" and find it buried in a thread "forced fsck > (again?)" on the ext3-users list - I'm not sure if it has an upstream > home anywhere yet... We thought the best place to put it would be in the lvm2 utilities, since it is tied to LVM snapshots (and not really a particular filesystem). Eric, any chance you could pass the script over to the LVM folks at RH? AFAIK, they are the official LVM/DM maintainers still (adopted as part of Sistina and GFS). Cheers, Andreas -- Andreas Dilger Sr. Staff Engineer, Lustre Group Sun Microsystems of Canada, Inc.