linux-ext4 - Re: Mentor for a GSoC application wanted (Online ext2/3 filesystem checker)

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Message-id: <20080422213144.GW2775@webber.adilger.int>
Date:	Tue, 22 Apr 2008 17:37:59 -0600
From:	Andreas Dilger <adilger@....com>
To:	Eric Sandeen <sandeen@...hat.com>
Cc:	Peter Teoh <htmldeveloper@...il.com>, Theodore Tso <tytso@....edu>,
	Alexey Zaytsev <alexey.zaytsev@...il.com>,
	linux-ext4@...r.kernel.org, linux-fsdevel@...r.kernel.org,
	Rik van Riel <riel@...riel.com>
Subject: Re: Mentor for a GSoC application wanted (Online ext2/3 filesystem
	checker)

On Apr 22, 2008  12:02 -0500, Eric Sandeen wrote:
> Peter Teoh wrote:
> > On Sun, Apr 20, 2008 at 3:07 AM, Eric Sandeen <sandeen@...hat.com> 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.

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