== sanity test 413k: QoS mkdir exclude prefixes ========== 01:57:37 (1783144657)
lmv.lustre-clilmv-ffff9f0ca167f800.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff9f0ca167f800.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff9f0ca167f800.qos_exclude_prefixes=_temporary