Re: RAID-10 explicitly defined drive pairs?

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On Thu, 22 Mar 2012 12:01:48 +0200 Alexander Lyakas <alex.bolshoy@xxxxxxxxx>

> Neil,
> >  echo frozen > /sys/block/mdN/md/sync_action
> >  mdadm --add /dev/mdN /dev......
> >  echo recover > /sys/block/mdN/md/sync_action
> >
> > it should do them all at once.
> >
> > I should teach mdadm about this..
> What is required to do that from mdadm? I don't see any other place
> where MD_RECOVERY_FROZEN is set, except via sysfs. So do you suggest
> that mdadm use sysfs for that?


> Also, what should be done if mdadm succeeds to "freeze" the array, but
> fails to "unfreeze" it for some reason?

What could possibly cause that?
I guess if someone kills mdadm while it was running..


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