== sanity test 413k: QoS mkdir exclude prefixes ========== 22:22:04 (1787106124)
lmv.lustre-clilmv-ffff9ffe6a98c000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff9ffe6a98c000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff9ffe6a98c000.qos_exclude_prefixes=_temporary