== sanity test 413k: QoS mkdir exclude prefixes ========== 12:44:35 (1786639475)
lmv.lustre-clilmv-ffff97c64576e800.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff97c64576e800.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff97c64576e800.qos_exclude_prefixes=_temporary