== sanity test 413k: QoS mkdir exclude prefixes ========== 17:46:30 (1787348790)
lmv.lustre-clilmv-ffff9e3a5a7d2800.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff9e3a5a7d2800.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff9e3a5a7d2800.qos_exclude_prefixes=_temporary