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I use pheonix bios on the motherboard to host a raid 10 array (4x 500G disks)

Half of the disks have dropped out of the array, but the array is running and data can be retrieved.

Raid config

The other 2 disks appear as RAW disks on diskmgmt - Server2008. I haven't initialized them.

Can I grow the array back to raid 10 without loosing the data? There isn't a tool on the motherboard to rebuild, the only option I can see is to delete the LD and recreate it with same settings?

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migrated from serverfault.com Sep 27 '10 at 21:57

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1 Answer

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No. You will require a rebuild of the RAID set.

Get yourself an external USB drive, back up your data, and rebuild.

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Actually I really doubt this. Do you have some source why not? If disks fail from RAID set, you can add those back, even if it's degraded. (What's point with RAID, if you have to rebuild it from scratch always when disk fails?) – Olli Feb 16 '11 at 16:31
Because, and I quote, "There isn't a tool on the motherboard to rebuild, the only option I can see is to delete the LD and recreate it with same settings". Usually the RAID tools will have a rebuild option. – Randolph West Feb 16 '11 at 21:23
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