== sanity test 413k: QoS mkdir exclude prefixes ========== 20:21:16 (1746145276)
lmv.lustre-clilmv-ffff8800b5e33800.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff8800b5e33800.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff8800b5e33800.qos_exclude_prefixes=_temporary