On Wed, May 09, 2012 at 05:25:23PM +0900, MORITA Kazutaka wrote: > Are you saying that qemu-img should use cache=writethrough by default? > I think it's not acceptable for qemu community. Also there are many setups where we can't easily control the settings for every possible user, while disabling things on the servers is a lot easier. Independent of that I think a feature that actually changes the semantics of data storage. > It's a bug that the sheepdog write cache doesn't allow both writeback > and writethrough requests to the same image. We should provide a way > to disable it until it is fixed. Agreed. |