== sanity test 413k: QoS mkdir exclude prefixes ========== 10:59:08 (1782485948)
lmv.lustre-clilmv-ffff9b21f3569000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff9b21f3569000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff9b21f3569000.qos_exclude_prefixes=_temporary