== sanity test 413k: QoS mkdir exclude prefixes ========== 17:11:42 (1787865102)
lmv.lustre-clilmv-ffff8a1188b8e800.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff8a1188b8e800.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff8a1188b8e800.qos_exclude_prefixes=_temporary