linux-ext4 - Re: [PATCH] Add better example about how to compress e2image raw image

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Message-ID: <20110926121345.GA3486@andromeda.usersys.redhat.com>
Date:	Mon, 26 Sep 2011 09:13:45 -0300
From:	Carlos Maiolino <cmaiolino@...hat.com>
To:	"Ted Ts'o" <tytso@....edu>
Cc:	Andreas Dilger <adilger@...ger.ca>, linux-ext4@...r.kernel.org
Subject: Re: [PATCH] Add better example about how to compress e2image raw
 image

> The problem with using tar is that it requires extra disk space by the
> user --- somewhere a bit more than double the extra disk space
> (because you need to have space for the hda1.e2i file before it gets
> compressed).  For very large file systems, this can be quite
> significant.  My general philosophy has been to make things easy as
> possible for the users as being more important for the developers.
> 
> For the developers, we do have contrib/make-sparse.c.  All we have to do is:
> 
>     bunzip2 < hda1.e2i.bz2 | make-sparse hda1.e2i
> 
> ... and this creates a sparse file in hda1.e2i.
> 

Nice to know this Ted. I'll use this instead. Thanks 

-- 
--Carlos
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