== sanity test 413k: QoS mkdir exclude prefixes ========== 11:21:53 (1787844113)
lmv.lustre-clilmv-ffff8c5a6cd4f000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff8c5a6cd4f000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff8c5a6cd4f000.qos_exclude_prefixes=_temporary