On Fri, Sep 07, 2018 at 09:23:19AM +0200, Valentin Vidic wrote: > 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. Then I'm afraid you will have to look into the vbd_free/create fix. Thanks, Roger.
