== sanity test 413k: QoS mkdir exclude prefixes ========== 10:14:53 (1783520093)
lmv.lustre-clilmv-ffff9d44b1ea5800.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff9d44b1ea5800.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff9d44b1ea5800.qos_exclude_prefixes=_temporary