== sanity test 413k: QoS mkdir exclude prefixes ========== 13:29:57 (1780334997)
lmv.lustre-clilmv-ffff89ff2ae3f000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff89ff2ae3f000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff89ff2ae3f000.qos_exclude_prefixes=_temporary