> I've seen highly correlated failures on regular hard-drives too. Yes, very mysterious too, until you discover that when someone made a big hole in the wall o

> I've seen highly correlated failures on regular hard-drives too. Yes, very mysterious too, until you discover that when someone made a big hole in the wall of the room containing the HDD storage bay and that the HDDs are covered by dust! It was a looong time ago but I think I'll never forget opening the door and looking at the mess..