symform, a startup create 32 parity stipes of 64 original stripes, and
distribute the fragments in different geographies.

they call it, RAID-96 And apparently reed-solomon coded.

http://www.symform.com/features-benefits.aspx

thanks

On Sat, Nov 28, 2009 at 9:18 PM, Kasper Sandberg <postmaster@metanurb.dk> wrote:
quoted text
> 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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