mdadm RAID 5 Failed with 2 Drives while rebuilding

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http://serverfault.com – I have a RAID 5 array with 3 Disks: /dev/sdb /dev/sdc /dev/sdd Over last weekend i was prompted that SDD had failed. so replaced the drive, added it back into the array and let it rebuild (1.5TB) It stopped at about 64% with an error, found out that /dev/sdb is failing as well. I imaged SDD onto a new drive (ddrescue) and SDB onto a new drive (ddrescue). The copy of SDB went well only like 3MB it couldn't copy. SDB had alot more problems ( Please note i couldn't get a NEW drive so my images drives are actually psychically larger then 1.5TB) Trying to re-assemble the drive as it was befo (HowTos)