== sanity test 413k: QoS mkdir exclude prefixes ========== 07:00:32 (1747220432)
lmv.lustre-clilmv-ffff8800b611c800.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff8800b611c800.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff8800b611c800.qos_exclude_prefixes=_temporary