Ewan, >> The spec is crystal clear. The device needs to be fixed. We can >> blacklist older firmware revs. > > Yes, I know that is what SBC-4 says, and I agree that the devices > are not conforming. Unfortunately, I've come across 3 different > arrays now from 3 different manufacturers that exhibit this behavior. My main beef with your approach is that it penalizes devices that actually implement the spec correctly. I'll send a proposed patch. -- Martin K. Petersen Oracle Linux Engineering