Not enough components to start the RAID array?

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Posted by urig on Ask Ubuntu See other posts from Ask Ubuntu or by urig
Published on 2011-01-17T16:29:47Z Indexed on 2011/01/17 16:59 UTC
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I'm trying to retrieve data from a "Western Digital MyBook World Edition (white light)" NAS device. This is basically an embedded Linux box with a 1TB HDD in it formatted in ext3. It stopped booting one day for no apparent reason.

I have extracted the HDD from the NAS device and installed it in a desktop machine running Ubuntu 10.10 in the hope of accessing the files on the drive. Unfortunately, Ubuntu has not been able to mount the drive automatically.

Having started up Disk Utility I see the drive as a multi disk device called "Array (Array)" showing Metadata Version 0.90.0. The device state is: "Not Running, not enough components to start". When I click the "Start RAID Array" button I get an error saying: "Not enough components to start the RAID array".

Can you please tell me which components are missing and how to install them to get access to the drive's filesystem?

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