== sanity test 413k: QoS mkdir exclude prefixes ========== 21:24:08 (1788571448)
lmv.lustre-clilmv-ffff9c370436c000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff9c370436c000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff9c370436c000.qos_exclude_prefixes=_temporary