== sanity test 413k: QoS mkdir exclude prefixes ========== 02:57:29 (1790665049)
lmv.lustre-clilmv-ffff8e7adde83800.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff8e7adde83800.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff8e7adde83800.qos_exclude_prefixes=_temporary