== sanity test 413k: QoS mkdir exclude prefixes ========== 06:38:11 (1747219091)
lmv.lustre-clilmv-ffff8800b63c7800.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff8800b63c7800.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff8800b63c7800.qos_exclude_prefixes=_temporary