== sanity test 413k: QoS mkdir exclude prefixes ========== 15:47:52 (1777578472)
lmv.lustre-clilmv-ffff9e4c04d57800.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff9e4c04d57800.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff9e4c04d57800.qos_exclude_prefixes=_temporary