== sanity test 413k: QoS mkdir exclude prefixes ========== 01:30:44 (1790746244)
lmv.lustre-clilmv-ffff99a204f8e000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff99a204f8e000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff99a204f8e000.qos_exclude_prefixes=_temporary