[CentOS] puzzling md error ?

Sun Feb 28 21:33:29 UTC 2010
Clint Dilks <clintd at scms.waikato.ac.nz>

On 01/03/10 10:27, Clint Dilks wrote:
> On 01/03/10 10:23, John R Pierce wrote:
>    
>> 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 …
>>>>
>>>>
>>>>          
>> Thanks.  I was trying to figure out how from the mdadm commands (UGH!)
>> to do a scan.
>>
>> # cat /sys/block/md10/md/mismatch_cnt
>> 8448
>> # cat /sys/block/md11/md/mismatch_cnt
>> 7296
>>
>> fugly.  Since the mirrors aren't checksummed, can i assume this means
>> there's likely some data messups here?
>>
>> Anyways, the repair is running on both md10 and md11, i'll check back
>> with my final results...
>>
>>
>>
>>
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>>
>>      
> Hi
>
> It has to do with aborted writes in SWAP.  Your data should be fine
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>    
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