recovering data from raid1 component disk

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http://serverfault.com – Need to recover data from raid1 component disk using ubuntu live usb disk. The existing software raid was broken. After many attempts, I removed degraded raid setup from BIOS but ubuntu live could not detect filesystem on any of the two component disks. disk utility says "raid component disk" in one of the disks. gparted does not report filesystem in any disks. Please suggest. (HowTos)