== sanity test 413k: QoS mkdir exclude prefixes ========== 22:03:51 (1787105031)
lmv.lustre-clilmv-ffff897e2a9d8000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff897e2a9d8000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff897e2a9d8000.qos_exclude_prefixes=_temporary