Cinder use some libs from package glusterfs-fuse in redhat-based and glusterfs-client in debian-based systems.
So, for ubuntu all seems good, but for centos we need to explicitly use glusterfs-fuse package (in CentOS today we require only glusterfs that depends on glusterfs-libs and we need to require glusterfs-fuse that depends on glusterfs package).
Cinder use some libs from package glusterfs-fuse in redhat-based and glusterfs-client in debian-based systems.
So, for ubuntu all seems good, but for centos we need to explicitly use glusterfs-fuse package (in CentOS today we require only glusterfs that depends on glusterfs-libs and we need to require glusterfs-fuse that depends on glusterfs package).