== sanity test 413k: QoS mkdir exclude prefixes ========== 06:47:52 (1778842072)
lmv.lustre-clilmv-ffff8d07451d6000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff8d07451d6000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff8d07451d6000.qos_exclude_prefixes=_temporary