== sanity test 413k: QoS mkdir exclude prefixes ========== 01:33:16 (1735108396)
lmv.lustre-clilmv-ffff880091fc1000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff880091fc1000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff880091fc1000.qos_exclude_prefixes=_temporary