== sanity test 413k: QoS mkdir exclude prefixes ========== 19:33:57 (1786836837)
lmv.lustre-clilmv-ffff8a87acb9c000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff8a87acb9c000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff8a87acb9c000.qos_exclude_prefixes=_temporary