not me.  raid is too important to be trusted to hardware - have you
tried MD's check/scrub features?

Yes, now. Or rather, Peter Kjellstr?m has.

If a raid 6 stripe has a corrupted block, it seems md "repairs" the
damage by recalculating the parity blocks. Less than ideal...

pardon my density, but what is the alternative? or do you mean that rather than scrubbing, you'd prefer to leave the stripe degraded by one of two parity checks? or just that the system (md, disk, whichever)
should spare the block rather than trying to "fix" it?

thanks, mark hahn.
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