== sanity test 413k: QoS mkdir exclude prefixes ========== 06:49:17 (1779706157)
lmv.lustre-clilmv-ffff8b51cb017800.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff8b51cb017800.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff8b51cb017800.qos_exclude_prefixes=_temporary