I have a Drobo 5N with dual drive redundancy.
This morning, the drobo reported that “a drive has been removed” (It was not removed, apparently, it just died…still spins, but drobo will not recognize it when re-inserted).
Fine, I can RMA the drive and buy a replacement before it gets here.
What I don’t understand is if I start with 5 4TB drives, giving me 10.9TB of capacity with 7.29 used for protection, why when the drive goes missing does it show my capacity at 8.76TB?
In theory, I should have 10.89TB until I lose 3 drives, no? (At which point my data is gone).
But even with 2 drives gone, my capacity shouldn’t change…
What am I missing here?
Oh, and also…should it be doing a relayout now that the drive has gone missing? It’s not.
Just telling me that I have 8.76TB capacity and that I’m at 100%.