== sanity test 413k: QoS mkdir exclude prefixes ========== 12:30:49 (1746635449)
lmv.lustre-clilmv-ffff8800b5944000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff8800b5944000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff8800b5944000.qos_exclude_prefixes=_temporary