> -----Original Message----- > From: linux-raid-owner@xxxxxxxxxxxxxxx [mailto:linux-raid- > owner@xxxxxxxxxxxxxxx] On Behalf Of Tim Bock > Sent: Monday, January 11, 2010 12:01 PM > To: linux-raid@xxxxxxxxxxxxxxx > Subject: raid failure question > > Hello, > > Excluding the obvious multi-disk or bus failures, can anyone describe > what type of disk failure a raid cannot detect/recover from? > > I have had two disk failures over the last three months, and in spite of > having a hot spare, manual intervention was required each time to make > the raid usable again. I'm just not sure if I'm not setting something > up right, or if there is some other issue. I think you are trying to ask two different questions, here. The first concerns errors which make an array unrecoverable without intervention by an admin. The second concerns not promoting a hot standby whenever a drive is failed by the array, even though the array itself is automatically recoverable. -- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html