== sanity test 413k: QoS mkdir exclude prefixes ========== 17:07:16 (1788210436)
lmv.lustre-clilmv-ffff8d49c8e51000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff8d49c8e51000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff8d49c8e51000.qos_exclude_prefixes=_temporary