== sanity test 413k: QoS mkdir exclude prefixes ========== 23:51:55 (1784087515)
lmv.lustre-clilmv-ffff94d1ad4dd800.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff94d1ad4dd800.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff94d1ad4dd800.qos_exclude_prefixes=_temporary