== sanity test 413k: QoS mkdir exclude prefixes ========== 23:41:33 (1746157293)
lmv.lustre-clilmv-ffff88012a4b8000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff88012a4b8000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff88012a4b8000.qos_exclude_prefixes=_temporary