== sanity test 413k: QoS mkdir exclude prefixes ========== 14:51:39 (1744138299)
lmv.lustre-clilmv-ffff8800aa3bc800.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff8800aa3bc800.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff8800aa3bc800.qos_exclude_prefixes=_temporary