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  • Raid 0 is for performance only with no redundancy, so its not really raid at all. You are better to use Raid1 mirror if you want data redundancy. Much easier to recover from issues in Raid1 also. Run a Memtest86+ on your memory modules
    – Moab
    Commented May 17, 2015 at 16:58
  • You did not explain the method that the raid0 was assembled, trying to use disk tools on a "broken" or dissasembled array that is no longer recognised by whatever hardware or software methods that assembled it, would result in an even bigger mess and increased likelyhood of loosing data, or damaging anything there that would be recoverable. Check to see how it is observed back where the raid was assembled. and possibly "fix" it at that level first.
    – Psycogeek
    Commented May 18, 2015 at 6:06
  • @Moab I know. Pretty much my only requirement when building the PC was to have a very large chunk of space showing as one drive (S:). Raid 1 would have halved that. I have all the data duplicated to my NAS and backed up online also.
    – BT643
    Commented May 19, 2015 at 18:36
  • @Psycogeek Not entirely sure what you mean? I created the RAID from the Marvell BIOS menu (Ctrl+M on bootup). A RAID 0 with (I think) all the default options it offered.
    – BT643
    Commented May 19, 2015 at 18:38
  • 1
    @Psycogeek Sorry, thought I'd added that. The RAID hasn't indicated any problems in the BIOS, both disks show as online and the full array says "ONLINE". Shows the correct size when booting.
    – BT643
    Commented May 21, 2015 at 5:49