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Mycloudpr4100 - 3 disks now red!

Drive 1 has been red for ages - other 3 raid 5 always. Took out the 3, changed drive 1 to JBOD, now after putting back the other 3 drives on their own all lights red and it is saying I have to set up RAID!!

Any ideas how to recover this situation?

@johnga You have posted your topic under the My Cloud Home sub-forum. You should post it under the sub-forum for your device. Does your My Cloud Pro 4100 have OS3 or OS5? If it has been updated to OS5 then you should look for this under WD Community.

If it’s OS3 then post under My Cloud OS3 Network Attatched Storage.

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