== sanity test 413k: QoS mkdir exclude prefixes ========== 05:09:55 (1785402595)
lmv.lustre-clilmv-ffff91712d9e1000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff91712d9e1000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff91712d9e1000.qos_exclude_prefixes=_temporary