ZFS License and Future

[Svein Skogen (Listmail account)]

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. ;)

//Svein

-- 
--------+-------------------+-------------------------------
  /"\   |Svein Skogen       | svein at d80.iso100.no
  \ /   |Solberg Østli 9    | PGP Key:  0xE5E76831
   X    |2020 Skedsmokorset | svein at jernhuset.no
  / \   |Norway             | PGP Key:  0xCE96CE13
        |                   | svein at stillbilde.net
 ascii  |                   | PGP Key:  0x58CD33B6
 ribbon |System Admin       | svein-listmail at stillbilde.net
Campaign|stillbilde.net     | PGP Key:  0x22D494A4
        +-------------------+-------------------------------
        |msn messenger:     | Mobile Phone: +47 907 03 575
        |svein at jernhuset.no | RIPE handle:    SS16503-RIPE
--------+-------------------+-------------------------------
A: Because it fouls the order in which people normally read text.
Q: Why is top-posting such a bad thing?
A: Top-posting.
Q: What is the most annoying thing on usenet and in e-mail?
------------------------------------------------------------
                     Picture Gallery:
          https://gallery.stillbilde.net/v/svein/
------------------------------------------------------------

-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 260 bytes
Desc: OpenPGP digital signature
Url : http://lists.freebsd.org/pipermail/freebsd-questions/attachments/20101108/f6248a8b/signature.pgp