== sanity test 413k: QoS mkdir exclude prefixes ========== 02:31:42 (1788849102)
lmv.lustre-clilmv-ffff8f77711ed800.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff8f77711ed800.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff8f77711ed800.qos_exclude_prefixes=_temporary