== sanity test 413k: QoS mkdir exclude prefixes ========== 10:58:56 (1787324336)
lmv.lustre-clilmv-ffff96b203ec2000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff96b203ec2000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff96b203ec2000.qos_exclude_prefixes=_temporary