On Fri, Sep 07, 2018 at 09:15:30AM +0200, Roger Pau Monné wrote: > I'm not sure that's a good idea, there are a lot of backends (apart > from blkback), and the tools won't know whether a specific backend > supports such state or not. Also the current protocol and states are > shared between all the Xen PV devices, so new additions should be > considered very carefully. Sure, I understand. > IMO the best options are either calling vbd_free/vbd_create at proper > stages in blkback or changing the hotplug script so it waits for the > device to have no open clients. Changing the block-drbd script would be ideal for me too, but I don't think that piece of DRBD state is exposed at the moment. -- Valentin
