Is array unprotected if 1 of 2 parity drives fails?


johnny121b

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I have a white-label drive I'm thinking of adding into my system as second parity.  (I can't bring myself to trust the drive despite its passing a preclear.)

 

My question:  If one parity drives fails, is the array left unprotected OR does my level of protection decrease to allow for only one drive failure?

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I have a white-label drive I'm thinking of adding into my system as second parity.  (I can't bring myself to trust the drive despite its passing a preclear.)
 
My question:  If one parity drives fails, is the array left unprotected OR does my level of protection decrease to allow for only one drive failure?
The latter
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