If I've already created the Operating system on a Dell PowerEdge R620 server, which has 2 disks and I know that the OS is on one of the disks and I know the disks are RAID0. Is it possible to create a RAID 1 array with the 2 disks and still have the OS running, after booting up. Will the data be deleted, if I try and create the RAID 1 array.
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