On Thu, Nov 07, 2013 at 04:18:35PM +0100, Stefan Priebe - Profihost AG wrote: > After some time it seems to start writing out all the data at a good > disk speed. > > But how does bcache determine when to write which kind of data out of > bcache. There's a PD controller that tries to keep the amount of dirty data at writeback_percent percentage of your cache size. But, since the dirty data account was _still_ broken, that would screw up that PD controller. Workaround is to set writeback_percent to 0 -- 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