[CentOS] puzzling md error ?

Clint Dilks clintd at scms.waikato.ac.nz
Sun Feb 28 21:21:58 UTC 2010


On 01/03/10 10:16, Peter Hinse wrote:
> Am 28.02.2010 22:03, schrieb John R Pierce:
>    
>> WARNING: mismatch_cnt is not 0 on
>>      
> Have a look at http://www.arrfab.net/blog/?p=199
> It says:
>
>    
>> A `echo repair>/sys/block/md0/md/sync_action` followed by a `echo
>> check>/sys/block/md0/md/sync_action` seems to have corrected it. Now
>> `cat /sys/block/md0/md/mismatch_cnt` returns 0 …
>>      
> Regards,
>
> 	Peter
>
>    
>
>
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>    
Hi,

This is happening specifically because of the way swap works.  So the 
issue will re-appear but it isn't actually anything to worry about.  I'd 
suggest that you remove the particular drive from the list being scanned.

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