== sanity test 413k: QoS mkdir exclude prefixes ========== 16:53:11 (1784407991)
lmv.lustre-clilmv-ffff8ca8d1823000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff8ca8d1823000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff8ca8d1823000.qos_exclude_prefixes=_temporary