linux-kernel - Re: [ANNOUNCE] DualFS: File System with Meta-data and Data Separation

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Date:	Mon, 26 Feb 2007 06:49:05 -0500
From:	"Yakov Lerner" <iler.ml@...il.com>
To:	sfaibish <sfaibish@....com>
Cc:	"kernel list" <linux-kernel@...r.kernel.org>,
	"piernas@...ec.um.es" <piernas@...ec.um.es>
Subject: Re: [ANNOUNCE] DualFS: File System with Meta-data and Data Separation

On 2/14/07, sfaibish <sfaibish@....com> wrote:
> On Sat, 10 Feb 2007 22:06:37 -0500, Sorin Faibish <sfaibish@....com> wrote:
>
> > Introducing DualFS
> >
> > File System developers played with the idea of separation of
> > meta-data from data in file systems for a while. The idea was
> > lately revived by a small group of file system enthusiasts
> >  from Spain (from the little known University of Murcia) and
> > it is called DualFS. We believe that the separation idea
> > will bring to Linux file systems great value.
> >
> > We see DualFS as a next-generation journaling file system which
> > has the same consistency guaranties as traditional journaling
> > file systems but better performance characteristics. The new file
> > system puts data and meta-data on different devices (usually, two
> > partitions on the same disk or different disks)

Do you guys have an option of using just one partiton, and
divide it into two fixed parts at mkfs-time , one part X% (for metadata)
and  2nd part at (100-X)% (file file  blocks) ? Would not this option
be easier-to-administer choice for naive users ? Or, you do not
view your FS as an option for naive users in the first place ?

Yakov
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