== sanity test 413k: QoS mkdir exclude prefixes ========== 10:38:52 (1724769532)
lmv.lustre-clilmv-ffff8800b3c40800.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff8800b3c40800.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff8800b3c40800.qos_exclude_prefixes=_temporary