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Forum Discussion
Reading NAS disk when NAS has failed
I have a ReadyNAS Ultra 2+ (Model RNDP200U).
It no longer powers on. I verified that the external power supply is good.
It has two 1TB drives that are mirrored.
Is there some way that I can read the drives on another system? I tried connecting just one of the drives to the PC via an external chassis and the PC doesn't see it as a valid drive.
Really bad timing - I backed up all my PC data to it; reformatted the PC drives to do a fresh install of the O/S and then the NAS failed before I restored the data. Otherwise all the data would exist on 4 drives (2 mirrored drives in the PC and 2 mirrored drives in the NAS).
It no longer powers on. I verified that the external power supply is good.
It has two 1TB drives that are mirrored.
Is there some way that I can read the drives on another system? I tried connecting just one of the drives to the PC via an external chassis and the PC doesn't see it as a valid drive.
Really bad timing - I backed up all my PC data to it; reformatted the PC drives to do a fresh install of the O/S and then the NAS failed before I restored the data. Otherwise all the data would exist on 4 drives (2 mirrored drives in the PC and 2 mirrored drives in the NAS).
12 Replies
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- Hello, I'm the exact same position. My question is: If i do the mdadm --assemble --scan command. Will it alter the disk? I will get a replacement for my NAS and would like not to destroy the option to just plug in the old disks into the new NAS
- Best to wait if you are getting a replacement. It hopefully shouldn't matter though.
Use a spare disk (must not be from your array) in the replacement to make sure the firmware is at least as new on the replacement unit and if not, update the firmware and verify the firmware update was successful. Then power down, remove the spare disk and migrate your disks across.
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