== sanity test 413k: QoS mkdir exclude prefixes ========== 22:19:17 (1789611557)
lmv.lustre-clilmv-ffff9cbf4e0e6000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff9cbf4e0e6000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff9cbf4e0e6000.qos_exclude_prefixes=_temporary