linux-kernel - Re: [ANNOUNCE] RAIF: Redundant Array of Independent Filesystems

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Message-ID: <Pine.GSO.4.53.0612151504360.3466@compserv1>
Date:	Fri, 15 Dec 2006 15:11:49 -0500 (EST)
From:	Nikolai Joukov <kolya@...sunysb.edu>
To:	Ed Tomlinson <edt@....ca>
cc:	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-raid@...r.kernel.org
Subject: Re: [ANNOUNCE] RAIF: Redundant Array of Independent Filesystems

> On Wednesday 13 December 2006 12:47, Nikolai Joukov wrote:
> > We have designed a new stackable file system that we called RAIF:
> > Redundant Array of Independent Filesystems
>
> Do you have a function similar to an an EMC cloneset?   Basicily a cloneset
> tracks what has changed in both the source and target luns (drives).  When one
> updates the cloneset the target is made identical to the source.  Its a great
> way to do backups.  Its an important feature to be able to write to the target drives.
> I would love to see this working at a filesystem level.

Well, if you mount RAIF over your file system and a for-backups file
system, RAIF can replicate the files on both of them automatically.  I
guess that's what you need.

Nikolai.
---------------------
Nikolai Joukov, Ph.D.
Filesystems and Storage Laboratory
Stony Brook University
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