== sanity test 413k: QoS mkdir exclude prefixes ========== 15:40:25 (1785958825)
lmv.lustre-clilmv-ffff95d3c7d8a800.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff95d3c7d8a800.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff95d3c7d8a800.qos_exclude_prefixes=_temporary