RE: mismatch_cnt > 0 during initial sync?

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> From: NeilBrown [mailto:neilb@xxxxxxxx]
> Sent: Monday, June 19, 2017 9:15 PM
> Subject: RE: mismatch_cnt > 0 during initial sync?
> 
> This is a recovery, not a resync.  They are different.
 
Thank you for pointing this out and the nice explanation.    

>From reading this list and other sources issuing a repair command as
follows:

"echo repair > /sys/block/md2/md/sync_action"

might be ill-advised since it's luck of the draw whether or not the
operation gets the right data instead of the bad data.

Is this correct? 

For reference I have a RAID1 with 3 disks.  mdadm - v3.3 - 3rd September
2013

Thank you,
Pete

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