1 $ osdmaptool --createsimple 3 myosdmap
2 osdmaptool: osdmap file 'myosdmap'
3 osdmaptool: writing epoch 1 to myosdmap
4 $ osdmaptool --export-crush oc myosdmap
5 osdmaptool: osdmap file 'myosdmap'
6 osdmaptool: exported crush map to oc
7 $ osdmaptool --import-crush oc myosdmap
8 osdmaptool: osdmap file 'myosdmap'
9 osdmaptool: imported 489 byte crush map from oc
10 osdmaptool: writing epoch 3 to myosdmap