ceph osd tree
ceph osd tree | grep osd.0 |grep up || return 1
# mark the OSD down.
- ceph osd down 0
+ # override any dup setting in the environment to ensure we do this
+ # exactly once (modulo messenger failures, at least; we can't *actually*
+ # provide exactly-once semantics for mon commands).
+ CEPH_CLI_TEST_DUP_COMMAND=0 ceph osd down 0
sleep $sleeptime
done
}