== sanity test 413k: QoS mkdir exclude prefixes ========== 17:57:46 (1782251866)
lmv.lustre-clilmv-ffff976b4755b800.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff976b4755b800.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff976b4755b800.qos_exclude_prefixes=_temporary