== sanity test 413k: QoS mkdir exclude prefixes ========== 13:48:26 (1772477306)
lmv.lustre-clilmv-ffff9b0a08990000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff9b0a08990000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff9b0a08990000.qos_exclude_prefixes=_temporary