/usr/lib/ctdb/tests/bin/ctdb_bench
/usr/lib/ctdb/tests/bin/ctdb_fetch
/usr/lib/ctdb/tests/bin/ctdb_fetch_one
/usr/lib/ctdb/tests/bin/ctdb_persistent
/usr/lib/ctdb/tests/bin/ctdb_randrec
/usr/lib/ctdb/tests/bin/ctdb_store
/usr/lib/ctdb/tests/bin/ctdb_transaction
/usr/lib/ctdb/tests/bin/ctdb_traverse
/usr/lib/ctdb/tests/bin/rb_test
You may install this package on Debian with
apt-get
install ctdb-dbg