== sanity test 413k: QoS mkdir exclude prefixes ========== 21:43:51 (1789609431)
lmv.lustre-clilmv-ffff9aa8f330d800.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff9aa8f330d800.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff9aa8f330d800.qos_exclude_prefixes=_temporary