== sanity test 413k: QoS mkdir exclude prefixes ========== 17:51:04 (1786485064)
lmv.lustre-clilmv-ffff9d27202f3000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff9d27202f3000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff9d27202f3000.qos_exclude_prefixes=_temporary