== sanity test 413k: QoS mkdir exclude prefixes ========== 01:27:40 (1746163660)
lmv.lustre-clilmv-ffff88009a3f9000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff88009a3f9000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff88009a3f9000.qos_exclude_prefixes=_temporary