== sanity test 413k: QoS mkdir exclude prefixes ========== 18:46:43 (1779317203)
lmv.lustre-clilmv-ffff914589844800.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff914589844800.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff914589844800.qos_exclude_prefixes=_temporary