== sanity test 413k: QoS mkdir exclude prefixes ========== 23:19:04 (1787800744)
lmv.lustre-clilmv-ffff9a5ae4fc4000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff9a5ae4fc4000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff9a5ae4fc4000.qos_exclude_prefixes=_temporary