On 6/11/07, Mattias Wadenstein <maswan@xxxxxxxxxx> wrote:
Hi *, Is there way to tell md to be paranoid and verify the parity for raid5/6 on every read? I guess this would come with a (significant) performance hit, but sometimes that's not a big deal (unlike disks scrambling your data). Also, regarding data paranoia, for check/repair of a raid6, is the effort made to figure out which is the misbehaving participant device, or is parity just blindly recalculated?
This is something that is not available today, but is something I am looking to implement. Especially for the raid6 case where hpa showed that not only can corruption be detected, it can be corrected.
/Mattias Wadenstein
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