== sanity test 413k: QoS mkdir exclude prefixes ========== 12:06:45 (1789142805)
lmv.lustre-clilmv-ffff9b3cc0dea000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff9b3cc0dea000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff9b3cc0dea000.qos_exclude_prefixes=_temporary