[pve-devel] default cache option=none vs writeback

[Dietmar Maurer]

> for cache=none librbd disables the rbd cache internal. Only for
> cache=writeback it enables the internal rbd cache.

Yes, but that is perfectly clear and consistent.
You claimed: "rbd still behaves differently if you select default or if you select writeback."
I can't really see that?

> At least that's what the devs of ceph told me. I also encouraged data loss
> when using cache=writeback with rbd and crashing VMs and i haven#t seen
> this since using cache=none.

That looks like an ceph bug then?