Re: RAID-10 explicitly defined drive pairs?

[Alexander Lyakas <alex.bolshoy@xxxxxxxxx>]

Thanks, Neil!
I will merge this in and test.


On Thu, Mar 22, 2012 at 12:31 PM, NeilBrown <neilb@xxxxxxx> wrote:
> On Thu, 22 Mar 2012 12:01:48 +0200 Alexander Lyakas <alex.bolshoy@xxxxxxxxx>
> wrote:
>
>> 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?
>
> Yes.
>
> http://neil.brown.name/git?p=mdadm;a=commitdiff;h=9f58469128c99c0d7f434d28657f86789334f253
>
>> 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..
>
>
> NeilBrown
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