== sanity test 413k: QoS mkdir exclude prefixes ========== 13:32:41 (1786469561)
lmv.lustre-clilmv-ffff9e49062eb000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff9e49062eb000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff9e49062eb000.qos_exclude_prefixes=_temporary