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md1p3
2011 Apr 13
1
Expanding RAID 10 array, WAS: 40TB File System Recommendations
...array :)
>
> I haven't had problems doing it this way yet.
I finally figured out my mistake creating the raid devices and got a
working RAID 0 on two RAID 1 arrays. But I wasn't able to add another
RAID 1 component to the array with the error
mdadm: add new device failed for /dev/md/mdr1_3 as 2: Invalid argument
Googling up this indicates that it's the expected result trying to add
a new device to a RAID 0 array. Could you or anybody else please share
what's the trick to achieving this?