--- /dev/null
+ $ osdmaptool --createsimple 3 myosdmap --with-default-pool
+ osdmaptool: osdmap file 'myosdmap'
+ osdmaptool: writing epoch 1 to myosdmap
+ $ osdmaptool --export-crush oc myosdmap
+ osdmaptool: osdmap file 'myosdmap'
+ osdmaptool: exported crush map to oc
+ $ osdmaptool --import-crush oc myosdmap
+ osdmaptool: osdmap file 'myosdmap'
+ osdmaptool: imported 485 byte crush map from oc
+ osdmaptool: writing epoch 3 to myosdmap