== sanity test 413k: QoS mkdir exclude prefixes ========== 16:39:49 (1786826389)
lmv.lustre-clilmv-ffff98d4e99ac800.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff98d4e99ac800.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff98d4e99ac800.qos_exclude_prefixes=_temporary