== sanity test 413k: QoS mkdir exclude prefixes ========== 21:26:49 (1789608409)
lmv.lustre-clilmv-ffff9e081260c000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff9e081260c000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff9e081260c000.qos_exclude_prefixes=_temporary