#path domain(flags)
/data/cinder_backend_1	172.18.0.0/24(rw,no_root_squash,sync,wdelay,no_subtree_check,uuid=fcf6b761:831a48a7:9f5f068b:5063763f,sec=1)
/data/cinder_backend_2	172.18.0.0/24(rw,no_root_squash,sync,wdelay,no_subtree_check,uuid=fcf6b761:831a48a7:9f5f068b:5063763f,sec=1)
