== sanity test 413k: QoS mkdir exclude prefixes ========== 20:38:14 (1786408694)
lmv.lustre-clilmv-ffff9aba17b22000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff9aba17b22000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff9aba17b22000.qos_exclude_prefixes=_temporary