== sanity test 413k: QoS mkdir exclude prefixes ========== 23:48:46 (1786938526)
lmv.lustre-clilmv-ffff8c8120ea9000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff8c8120ea9000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff8c8120ea9000.qos_exclude_prefixes=_temporary