bug #4138: do not use rbd ls -l deleting ceph volumes
bug #4138: do not use rbd ls -l deleting ceph volumes

abelCoronado93/one,ohamada/one,abelCoronado93/one,abelCoronado93/one,atodorov-storpool/one,abelCoronado93/one,juanmont/one,baby-gnu/one,atodorov-storpool/one,abelCoronado93/one,OpenNebula/one,goberle/one,ohamada/one,OpenNebula/one,OpenNebula/one,atodorov-storpool/one,goberle/one,unistra/one,abelCoronado93/one,hsanjuan/one,unistra/one,goberle/one,atodorov-storpool/one,baby-gnu/one,hsanjuan/one,ohamada/one,alvarosimon/one,atodorov-storpool/one,hsanjuan/one,OpenNebula/one,unistra/one,hsanjuan/one,juanmont/one,unistra/one,alvarosimon/one,juanmont/one,atodorov-storpool/one,juanmont/one,unistra/one,alvarosimon/one,baby-gnu/one,juanmont/one,goberle/one,OpenNebula/one,goberle/one,juanmont/one,alvarosimon/one,abelCoronado93/one,baby-gnu/one,juanmont/one,hsanjuan/one,hsanjuan/one,ohamada/one,alvarosimon/one,baby-gnu/one,baby-gnu/one,ohamada/one,hsanjuan/one,ohamada/one,ohamada/one,alvarosimon/one,hsanjuan/one,alvarosimon/one,OpenNebula/one,baby-gnu/one,goberle/one,alvarosimon/one,unistra/one,OpenNebula/one,atodorov-storpool/one,juanmont/one,unistra/one,baby-gnu/one,atodorov-storpool/one,abelCoronado93/one,goberle/one,unistra/one,goberle/one,juanmont/one,atodorov-storpool/one,ohamada/one,OpenNebula/one,OpenNebula/one