Re: Huge values of mismatch_cnt on RAID 6 arrays under Fedora 18

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On Sun Jan 27, 2013 at 08:26:56 +0100, Wolfgang Denk wrote:

> I have seen "mismatch_cnt is not 0" warnings in the past, but that has
> always been with RAID 1 arrays, and with relatively small numbers on
> /sys/block/md*/md/mismatch_cnt; my understanding was that this was not
> actually critical.
> 
> However, after updating to Fedora 18, I get this message from all
> updated
> systems that have RAID 6 arrays, and with _huge_ numbers of
> mismatch_cnt, like that:
> 
<-snip->
> # cat /sys/block/md0/md/mismatch_cnt
> 362732152
> 
Is this after having run a check, or just after boot? I've seen some odd
numbers at times, but they've gone away after running a check
(presumably something not being initialised).

Cheers,
    Robin
-- 
     ___        
    ( ' }     |       Robin Hill        <robin@xxxxxxxxxxxxxxx> |
   / / )      | Little Jim says ....                            |
  // !!       |      "He fallen in de water !!"                 |

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