== sanity test 413k: QoS mkdir exclude prefixes ========== 11:42:35 (1786117355)
lmv.lustre-clilmv-ffff9f7d4bc9a800.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff9f7d4bc9a800.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff9f7d4bc9a800.qos_exclude_prefixes=_temporary