== sanity test 413k: QoS mkdir exclude prefixes ========== 12:12:17 (1782231137)
lmv.lustre-clilmv-ffff9e2c04ec2800.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff9e2c04ec2800.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff9e2c04ec2800.qos_exclude_prefixes=_temporary