== sanity test 413k: QoS mkdir exclude prefixes ========== 09:47:21 (1786110441)
lmv.lustre-clilmv-ffff8bfc0d7cb800.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff8bfc0d7cb800.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff8bfc0d7cb800.qos_exclude_prefixes=_temporary