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Posted 2007/12/12

Assembling RAID arrays when you don't know some details

If you know the UUID for an array you can make mdadm find the devices that form it, and then activate the array. This example is scanning all 'sd' devices.

mdadm -Av /dev/md3 --uuid=2d37409e:def07666:0efa1e18:a8667a35 /dev/sd*