== sanity test 413k: QoS mkdir exclude prefixes ========== 09:51:19 (1785765079)
lmv.lustre-clilmv-ffff95d56bc10000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff95d56bc10000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff95d56bc10000.qos_exclude_prefixes=_temporary