libvirt/qemu does not get to gluster vols when one has these:
Upgraded:
glusterfs.x86_64 3.7.17-1.el7
glusterfs-api.x86_64 3.7.17-1.el7
glusterfs-cli.x86_64 3.7.17-1.el7
glusterfs-client-xlators.x86_64 3.7.17-1.el7
glusterfs-fuse.x86_64 3.7.17-1.el7
glusterfs-ganesha.x86_64 3.7.17-1.el7
glusterfs-libs.x86_64 3.7.17-1.el7
glusterfs-server.x86_64 3.7.17-1.el7
qemu-img-ev.x86_64 10:2.3.0-31.0.el7_2.21.1
qemu-kvm-common-ev.x86_64 10:2.3.0-31.0.el7_2.21.1
qemu-kvm-ev.x86_64 10:2.3.0-31.0.el7_2.21.1
downgrade glusterfs* to 3.7.16-1.el7 fixes the problem.
regards,
L.