== sanity test 413k: QoS mkdir exclude prefixes ========== 13:33:26 (1788629606)
lmv.lustre-clilmv-ffff94b2914d7000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff94b2914d7000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff94b2914d7000.qos_exclude_prefixes=_temporary