== sanity test 413k: QoS mkdir exclude prefixes ========== 06:33:37 (1762169617)
lmv.lustre-clilmv-ffff9174ec249000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff9174ec249000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff9174ec249000.qos_exclude_prefixes=_temporary