== sanity test 413k: QoS mkdir exclude prefixes ========== 16:39:38 (1788208778)
lmv.lustre-clilmv-ffff9a9686bb4800.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff9a9686bb4800.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff9a9686bb4800.qos_exclude_prefixes=_temporary