RAID 0 or Striped Set splits data across two or more disks, without redundancy.

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Trouble Installing Windows Server 2008 R2 on a Dell PowerEdge R220

I'm trying to install Windows Server 2008 R2 64-bit for the first time in a Dell PowerEdge R220, using UEFI. At first the installation wouldn't see any disks. Then, I found this: Trouble Installing ...
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“personality does not support diskops!” when trying to add a drive to a mdadm raid array

I have a linux (3.19) server which uses software raid (mdadm v3.2.5) and there is a raid0 device (/dev/md2) set up, which currently has only /dev/sdb3. I want to add the unused disk /dev/sda3 to this ...
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re-mount two old disk from raid0 setup to recover data

I had setup two 500gb disk in RAID0 on my server, but recently suffered a hard disk failure (saw a S.M.A.R.T error on the HDD at boot). My host has put 2 new disk in RAID-0 again (re-installed the OS) ...