t On Fri, Oct 28, 2016 at 03:07:20PM +0200, Vojtech Pavlik wrote: > The only situation where data damage can happen is a power outage that > comes together with a loss of one of the drives. In such a case, the > content of any blocks written past the last barrier is undefined. It > then depends on the filesystem whether it can revert to the last sane > state. Not sure about others, but btrfs will do so. It's not any data written since the last barrier - in a non COW filesystem, potentially the entire stripe is toast, which means existing unrelated data gets corrupted. There's nothing really a non COW filesystem can do about it. -- To unsubscribe from this list: send the line "unsubscribe linux-bcache" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
