== sanity test 413k: QoS mkdir exclude prefixes ========== 16:29:36 (1786739376)
lmv.lustre-clilmv-ffff8dda064bb000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff8dda064bb000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff8dda064bb000.qos_exclude_prefixes=_temporary