== sanity test 413k: QoS mkdir exclude prefixes ========== 21:14:48 (1772763288)
lmv.lustre-clilmv-ffff8c4bb0f2b800.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff8c4bb0f2b800.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff8c4bb0f2b800.qos_exclude_prefixes=_temporary