Ceph » CephFS

The volume deletion doesn't remove the associated osd pools. The pools are removed
only if the volume is created using mgr plugin and not if created with custom osd
pools. This is because mgr plugin generates pool names with specific
pattern. Both create and delete volume relies on it. The delete volume should
not rely on pattern. It should discover the osd pools associated with volume
before deletion.

##Create a vstart cluster

#env MDS=3 ../src/vstart.sh -d -b -n --without-dashboard
#cd build
#bin/ceph osd pool create cephfs_data1 8
#bin/ceph fs add_data_pool a cephfs_data1
#bin/ceph fs volume rm a --yes-i-really-mean-it
#bin/ceph osd pool ls
device_health_metrics
cephfs_data1