== sanity test 413k: QoS mkdir exclude prefixes ========== 03:43:40 (1787125420)
lmv.lustre-clilmv-ffff8c92c52e4800.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff8c92c52e4800.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff8c92c52e4800.qos_exclude_prefixes=_temporary