== sanity test 413k: QoS mkdir exclude prefixes ========== 10:57:52 (1724770672)
lmv.lustre-clilmv-ffff88012a631000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff88012a631000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff88012a631000.qos_exclude_prefixes=_temporary