[CentOS] Expanding RAID 10 array, WAS: 40TB File System Recommendations
Emmanuel Noobadmin
centos.admin at gmail.comWed Apr 13 15:19:07 UTC 2011
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On 4/13/11, Rudi Ahlers <Rudi at softdux.com> wrote: >> to expand the 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?
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