Kent, > REQ_FUA|REQ_READ means "do a read that bypasses the controller cache", > the same as writes. FUA does not bypass anything. On the contrary, A FUA READ causes data in the volatile cache (if any) to be flushed to non-volatile storage (either cache or media or both). So I'm afraid it has the exact opposite effect of what you are looking for. -- Martin K. Petersen Oracle Linux Engineering
