$CEPH_BIN/osdmaptool --clobber --createsimple .ceph_monmap 4 --print .ceph_osdmap # --pgbits 2
$CEPH_BIN/cmonctl osd setmap -i .ceph_osdmap
-for osd in 0 1 2 3 #4 5 6 7 8 9 10 11 12 13 14 15
+for osd in 0 #1 2 3 #4 5 6 7 8 9 10 11 12 13 14 15
do
$CEPH_BIN/cosd --mkfs_for_osd $osd dev/osd$osd # initialize empty object store
#valgrind --leak-check=full --show-reachable=yes $CEPH_BIN/cosd dev/osd$osd --debug_ms 1 --debug_osd 20 --debug_filestore 10 1>out/o$osd & #--debug_osd 40