== sanity test 413k: QoS mkdir exclude prefixes ========== 18:49:13 (1775170153)
lmv.lustre-clilmv-ffff8b9683fa1800.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff8b9683fa1800.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff8b9683fa1800.qos_exclude_prefixes=_temporary