== sanity test 413k: QoS mkdir exclude prefixes ========== 17:58:43 (1786571923)
lmv.lustre-clilmv-ffff91df93b6b000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff91df93b6b000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff91df93b6b000.qos_exclude_prefixes=_temporary