ZFS License and Future

Svein Skogen (Listmail account) svein-listmail at stillbilde.net
Mon Nov 8 21:02:53 UTC 2010

On 08.11.2010 21:44, C. P. Ghost wrote:
> On Mon, Nov 8, 2010 at 7:38 PM, Roland Smith <rsmith at xs4all.nl> wrote:
>> On Mon, Nov 08, 2010 at 05:08:33PM +0100, Svein Skogen (Listmail account) wrote:
>>> But it's still not capable of true forward-error-correction. If we are
>>> to embark upon creating a new solution, using something that is cheap
>>> for "normal cases" but can still be used (albeit more expensively) for
>>> error recovery would (imho) be better. Even if that means we get less
>>> net storage out of the gross pool (it could perhaps be configurable?)
>> I'm not sure what you mean by "true forward-error-correction". But if you want
>> to make _really sure_ that a spinning disk hasn't mangled the data you should:
> Maybe something like Reed-Solomon ECC in different blocks.
> Should a data block go bad, it could be rebuilt on-the-fly from
> those ECC blocks:
> http://en.wikipedia.org/wiki/Reed%E2%80%93Solomon_error_correction
> http://www.eccpage.com/

Something along those lines was what I had in mind. ;)


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