[clug] software raid question

Eyal Lebedinsky eyal at eyal.emu.id.au
Fri Feb 11 19:15:39 MST 2011

To answer my question: no, RAID6 does *not* attempt to correct a mismatch but
will store new P and Q.


ref: http://marc.info/?l=linux-raid&m=129401855022496&w=2
	Read last paragraph

On 02/11/11 22:41, Eyal Lebedinsky wrote:
> I sort of asked this in my last post, but now I would like a direct answer if anyone
> actually knows.
> When md raid6 is doing a resync (repair), does it use the feature where raid6
> can detect an error and correct it (meaning is intelligently decides which
> disk to write to) (it can also detect a double error) or does it simply
> recalculate the P and Q (as an initial sync does)?
> Much appreciated.

Eyal Lebedinsky	(eyal at eyal.emu.id.au)

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