== sanity test 413k: QoS mkdir exclude prefixes ========== 14:48:31 (1780339711)
lmv.lustre-clilmv-ffff8b8bb834b000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff8b8bb834b000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff8b8bb834b000.qos_exclude_prefixes=_temporary