On Thu, Dec 05, 2019 at 02:01:23PM +0000, Paul Durrant wrote: > By simply re-attaching to shared rings during connect_ring() rather than > assuming they are freshly allocated (i.e assuming the counters are zero) > it is possible for vbd instances to be unbound and re-bound from and to > (respectively) a running guest. > > This has been tested by running: > > while true; do dd if=/dev/urandom of=test.img bs=1M count=1024; done > > in a PV guest whilst running: > > while true; > do echo vbd-$DOMID-$VBD >unbind; > echo unbound; > sleep 5; > echo vbd-$DOMID-$VBD >bind; > echo bound; > sleep 3; > done
So this does unbind blkback while leaving the PV interface as connected? Thanks, Roger. _______________________________________________ Xen-devel mailing list [email protected] https://lists.xenproject.org/mailman/listinfo/xen-devel
