== sanity test 413k: QoS mkdir exclude prefixes ========== 12:38:08 (1772473088)
lmv.lustre-clilmv-ffff934d182c1000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff934d182c1000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff934d182c1000.qos_exclude_prefixes=_temporary