Can I port mdadm volumes to hardware raid?

I'm retiring an old server which uses mdadm volumes but the volumes are coming onto the new server which has hardware raid capability. Can I plug the disks and go or will I need to cp everything over? The disks are fine and the content is still required.

  • What kind of RAID is this? AFAIK, MD RAID and hardware raid have little in common. Commented Jun 23, 2017 at 16:50
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    In general, no. It works better the other way around. Even then it requires careful planning or a lot of trial & error. Commented Jun 23, 2017 at 16:53
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    Contrary to other comments, RAID protocol is consistent whether applied through software or hardware. That said, there are many details that do depend on the implementation and would make this task almost impossible. You should copy everything over. Commented Jun 23, 2017 at 17:07
  • @FaheemMitha it's md Commented Jun 24, 2017 at 1:49
  • @RobertFrost No, I mean is it eg RAID 1, RAID 5? Commented Jun 24, 2017 at 4:04

1 Answer 1


SoftRaid and Hardware raid have nothing than "conceptual" common things related to redundancy.

There isn't a magical tool that could strip mdadm peculiarities, since with hardware raid(not fakeraid) a disk will be presented to you as /dev/sdX and not 2 or more disks to be configured as /dev/mdXto be managed by the kernel.

You will have to sync data between disks.

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