== sanity test 413k: QoS mkdir exclude prefixes ========== 14:14:26 (1714414466)
lmv.lustre-clilmv-ffff88007b7ec000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff88007b7ec000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff88007b7ec000.qos_exclude_prefixes=_temporary