Step-by-step guides for the moments when a NAS is about to lose data: what the status words mean, what not to touch, which checks are safe. Written from twenty years of real cases, every command checked against the official docs, reviewed by a human before publication.
Degraded means your data is intact; Crashed means DSM cannot fix it. How to tell them apart, what not to touch, and safe read-only checks before repair.
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