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Forum Discussion
Failed to activate encrypted volume
Hello. For a long time I've been runnning my readynas on a single disk using the build in encryption. I felt it was time to change the drive and decided at the same time also add a bit of safety so I...
Ah, good to know! Thanks. Yes it was powered off.
data-0 is the name of the first layer of the MDADM array containing BTRFS volume data. If expansion adds a second layer, it's data-1. So, the error you are seeing says the NAS does not recognize the BTRFS file system for your volume but does recognize the MDADM RAID array. I don't use encryption, so don't know if that's driving it or not. In cases not involving encryption, it is a bad sign usually indicating a damaged array.
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