== sanity test 413k: QoS mkdir exclude prefixes ========== 18:41:42 (1790721702)
lmv.lustre-clilmv-ffff8f4c319e8800.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff8f4c319e8800.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff8f4c319e8800.qos_exclude_prefixes=_temporary