I'm looking at the controller myself. Have you tried updating either the firmware on the card the drivers or both? On 12/19/2009 10:55 PM, Gordon McLellan wrote: > The other variable is the two machines running drbd have promise raid > cards in them. I also have the same raid card in my personal server > at home. That server also has a nack of crashing during heavy disk IO > to the raid volume. The entire OS doesn't crash, just the raid > volume, and the only way to bring it back is a reboot. > > I'm really at a loss on what to do next... Any suggestions? >