[Beowulf] MD check/scrub

[Leif Nixon]

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
------------------------------------------------------------

_______________________________________________
Beowulf mailing list, Beowulf at beowulf.org
To change your subscription (digest mode or unsubscribe) visit http://www.beowulf.org/mailman/listinfo/beowulf

!DSPAM:4739ab76276956269018054!