== sanity test 413k: QoS mkdir exclude prefixes ========== 23:45:50 (1763354750)
lmv.lustre-clilmv-ffff9f4af11fb000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff9f4af11fb000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff9f4af11fb000.qos_exclude_prefixes=_temporary