== sanity test 413k: QoS mkdir exclude prefixes ========== 19:45:04 (1787874304)
lmv.lustre-clilmv-ffff8e23a9a41000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff8e23a9a41000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff8e23a9a41000.qos_exclude_prefixes=_temporary