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Date:      Thu, 14 Aug 2008 10:37:13 +1000
From:      Norberto Meijome <freebsd@meijome.net>
To:        freebsd-questions@FreeBSD.ORG
Subject:   Re: Cluster Filesystem
Message-ID:  <20080814103713.25d55225@ayiin>
In-Reply-To: <200808131657.m7DGvDKI077121@lurza.secnetix.de>
References:  <x89710x1218157444x@lurza.secnetix.de> <200808131657.m7DGvDKI077121@lurza.secnetix.de>

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On Wed, 13 Aug 2008 18:57:13 +0200 (CEST)
Oliver Fromme <olli@lurza.secnetix.de> wrote:

> Note that Matt's terminology is a little bit confusing.
> What he calls "mirroring" in HAMMER has nothing to do
> with RAID-1 (like gmirror), but it is rather a kind of
> replication.  The "mirroring" feature allows replication
> between local and/or remote file systems.  So, yes, it
> is intended to support clustering.

Hi Oliver,
yes, i thought that was the case, but is it intended to support distributed
storage? For example, I have 4 storage boxes with 4 TB each, "clustered". Say
we keep duplicate copies of all data. When I access , say,
hammer://mycluster/storage , i'd expect 'storage' to be 8 TB .

> Clustering and SSI is the main goal of DragonFly BSD,
> after all.

ok, now that you mention SSI it seems it should do what I clumsily try to
explain :) I should probably start trailing Draco too ;)

cheers,
B
_________________________
{Beto|Norberto|Numard} Meijome

"Have the courage to take your own thoughts seriously, for they will shape you."
   Albert Einstein

I speak for myself, not my employer. Contents may be hot. Slippery when wet.
Reading disclaimers makes you go blind. Writing them is worse. You have been
Warned.



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