[CentOS] Convert "bare partition" to RAID1 / mdadm?

Is there soome reason that the existing files cannot
be accessed while they are being copied to the raid?

-- 
Michael   hennebry at web.cs.ndsu.NoDak.edu
"SCSI is NOT magic. There are *fundamental technical
reasons* why it is necessary to sacrifice a young
goat to your SCSI chain now and then."   --   John Woods