== sanity test 413k: QoS mkdir exclude prefixes ========== 11:34:55 (1782488095)
lmv.lustre-clilmv-ffff9ce5890a4800.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff9ce5890a4800.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff9ce5890a4800.qos_exclude_prefixes=_temporary