== sanity test 413k: QoS mkdir exclude prefixes ========== 17:37:42 (1764110262)
lmv.lustre-clilmv-ffff8b17a9cfb000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff8b17a9cfb000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff8b17a9cfb000.qos_exclude_prefixes=_temporary