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A customer has given me 3 80gb Hard Drives, which were in a Raid 5 cofiguration on his system. Now one of the Hard Drives has failed, and he cannot boot. I have the job of recovering files from the Hard Drives.
I have R-Studio 4.2 to use for data recovery, Im not to familar with the software but have used it with success on single drives. But with Raid its different.
I plugged all 3 drives into my machine via sata connections. I've done several scans, single HD scans, made a raid5 virtual set (i think) and the data i get from them all happens to be corrupt.Any tips?
RAID5 is using spanned volumes (with distributed parity). you can't retrieve data from a single drive taken out of a RAID5 container.
"A RAID5 array is not destroyed by a single drive failure. Upon drive failure, any subsequent reads can be calculated from the distributed parity such that the drive failure is masked from the end user. The array will have data loss in the event of a second drive failure and is vulnerable until the data that was on the failed drive is rebuilt onto a replacement drive."
mount the 2 working drives plus a replacement for the failed drive in a RAID5 container and you should be able to recover the data.
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Before i start this, wanna make sure i am doing it right. Im testing each of the drives, see which drive or drives r failing. Then i plug in the working drives on my computer, and a spare to replace the dead HD. Or do i have to the original computer, and put them back in that.
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you should use the original computer unless your computer has the same RAID controller.
and use an equally sized disk if possible.
RAID 5 is tricky enough without adding further complications.
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Umm big problem, The Owners chucked the rest of the PC out, as motherboard was Dead. Only information they can tell me is The Guy set it up as Raid 5 with 3 80gb hard drives.
Do you know anything about R-Studio. I've been given a registered version and I believe it has something with Raid Data Recovery.
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AFAIK with R-Studio you create a virtual RAID container, then drag the partions into that Virtual RAID in the same order as they were in the original hardware container.
here's the R-Studio manual.
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many failed attempts have given up, sent to the professionals. I did what The_Oracle said, and create a RAID container, dragged the hard drives into that container, not sure which order but, but i tried each way, til no other order left. Each time it finds files. And some files and TB and EB in size, i dunno why. I mark certain folder i want to get files from. It extracts them from the RAID. But the files are corrupted when i go to open them.
Thank You all for your help.
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