== sanity test 413k: QoS mkdir exclude prefixes ========== 14:54:44 (1781031284)
lmv.lustre-clilmv-ffffa0968539f000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffffa0968539f000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffffa0968539f000.qos_exclude_prefixes=_temporary