== sanity test 413k: QoS mkdir exclude prefixes ========== 20:28:29 (1788568109)
lmv.lustre-clilmv-ffff9eb788cab000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff9eb788cab000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff9eb788cab000.qos_exclude_prefixes=_temporary