== sanity test 413k: QoS mkdir exclude prefixes ========== 13:02:35 (1786208555)
lmv.lustre-clilmv-ffff93f909c63800.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff93f909c63800.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff93f909c63800.qos_exclude_prefixes=_temporary