== sanity test 230l: readdir between MDTs won't crash ==== 09:19:38 (1785935978)
 - open/close 533 (time 1785935995.69 total 10.04 last 53.11)
 - open/close 913 (time 1785936005.69 total 20.04 last 37.99)
total: 1000 open/close in 22.11 seconds: 45.22 ops/second