== sanity test 413k: QoS mkdir exclude prefixes ========== 05:22:27 (1734690147)
lmv.lustre-clilmv-ffff8800b3674000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff8800b3674000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff8800b3674000.qos_exclude_prefixes=_temporary