== sanity test 413k: QoS mkdir exclude prefixes ========== 12:21:16 (1786810876)
lmv.lustre-clilmv-ffff8bde7c1a3000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff8bde7c1a3000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff8bde7c1a3000.qos_exclude_prefixes=_temporary