== sanity test 413k: QoS mkdir exclude prefixes ========== 07:14:45 (1790680485)
lmv.lustre-clilmv-ffffa097582f4000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffffa097582f4000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffffa097582f4000.qos_exclude_prefixes=_temporary