== sanity test 413k: QoS mkdir exclude prefixes ========== 10:56:58 (1782485818)
lmv.lustre-clilmv-ffff9c30f22c5000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff9c30f22c5000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff9c30f22c5000.qos_exclude_prefixes=_temporary