== sanity test 413k: QoS mkdir exclude prefixes ========== 03:20:31 (1772180431)
lmv.lustre-clilmv-ffff9f1d845c4000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff9f1d845c4000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff9f1d845c4000.qos_exclude_prefixes=_temporary