From: Kasper Sandberg <postmaster@metanurb.dk>
To: John Hendrikx <hjohn@xs4all.nl>
Cc: linux-raid <linux-raid@vger.kernel.org>
Subject: Re: Reed Solomon coding based Raid?
Date: Sat, 28 Nov 2009 16:48:20 +0100 [thread overview]
Message-ID: <1259423300.31633.190.camel@localhost> (raw)
In-Reply-To: <4B113E90.50904@xs4all.nl>
As far as i know, theres not support for this, however, i do believe
raid6 uses reed-solomon.
On Sat, 2009-11-28 at 16:15 +0100, John Hendrikx wrote:
> I was wondering if there is support for a raid level where one can
> choose the redundancy level. Raid 5 allows for one redundant drive,
> Raid 6 for two, but there's no raid level that would support arbitrary
> redundancy (even to the point of allowing one to add extra redundancy
> later on, by simply putting spare drives to immediate use).
>
> I'm just a casual Software Raid user, and have been using Raid 6 for a
> small 8 TB array for a few years now and I realize that there's quite
> some CPU overhead involved for such redundancy, but for my purposes
> speed is not a relevant concern (10 MB/sec is enough).
>
> --John
>
>
> --
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next prev parent reply other threads:[~2009-11-28 15:48 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-11-28 15:15 Reed Solomon coding based Raid? John Hendrikx
2009-11-28 15:48 ` Kasper Sandberg [this message]
2009-11-28 17:43 ` Peter Chacko
2009-11-29 15:50 ` Andrew Dunn
2009-11-30 12:36 ` Goswin von Brederlow
2009-11-28 18:57 ` Keld Simonsen
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