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Convert Raid 1 to Raid 10 with no new disks

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linux-howto

http://serverfault.com – I just got a new remote root-access server with 2 1TB disks in a Raid 1 configuration, running Debian (squeeze). Before installing my stuff on it, I'd like to switch to Raid 10 if I can. All the instructions I can find, for example Best way to grow Linux software RAID 1 to RAID 10, are for going from a 2-disk Raid 1 to a four disk Raid 10. Anyone have experience of making the move I have in mind, i.e. w/o any extra disks? (HowTos)