== sanity test 413k: QoS mkdir exclude prefixes ========== 04:10:03 (1753431003)
lmv.lustre-clilmv-ffff97fa1838e000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff97fa1838e000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff97fa1838e000.qos_exclude_prefixes=_temporary