[Beowulf] MD check/scrub
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Leif Nixon nixon at nsc.liu.seTue Nov 13 05:39:05 PST 2007
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Mark Hahn <hahn at mcmaster.ca> writes: >> I'd prefer they put their effort into supplying a raid controller that >> can actually detect corrupt raid sets. (cf. the recent thread "Big storage") > > not me. raid is too important to be trusted to hardware - have you > tried MD's check/scrub features? Yes, now. Or rather, Peter Kjellström has. If a raid 6 stripe has a corrupted block, it seems md "repairs" the damage by recalculating the parity blocks. Less than ideal... -- Leif Nixon - Systems expert ------------------------------------------------------------ National Supercomputer Centre - Linkoping University ------------------------------------------------------------
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