[consistent views enabled] Rebalance 2->3 failed {db_open_error,<<"default/688">>, {not_found,no_db_file},

rebalancing 2 nodes cluster to 3 nodes
rebalance failed:
[ns_server:debug,2012-09-17T13:34:57.687,ns_1@10.3.121.104:<0.88.16>:ns_single_vbucket_mover:spawn_ebucketmigrator_mover:267]Spawned mover "default" 689 'ns_1@10.3.121.105' -> 'ns_1@10.3.121.104': <18501.1677.5>
[ns_server:debug,2012-09-17T13:34:57.687,ns_1@10.3.121.104:'capi_set_view_manager-default':capi_set_view_manager:replicate_change_to_node:545]Sending _design/dev_view6 to ns_1@10.3.121.105
[ns_server:debug,2012-09-17T13:34:57.687,ns_1@10.3.121.104:<0.88.16>:ns_single_vbucket_mover:wait_for_mover:251]Got unexpected exit: {'EXIT',<0.27395.9>,
{{{bad_return_value,
{error,
{db_open_error,<<"default/688">>,

{not_found,no_db_file},
<<"Couldn't open database `default/688`, reason: {not_found,no_db_file}

">>}}},
{gen_server,call,
['capi_set_view_manager-default',
initiate_indexing,infinity]}},
{gen_server,call,
[

{'janitor_agent-default','ns_1@10.3.121.105'},
{if_rebalance,<0.27395.9>,initiate_indexing},
infinity]}}}
[ns_server:debug,2012-09-17T13:34:57.687,ns_1@10.3.121.104:'capi_set_view_manager-default':capi_set_view_manager:replicate_change_to_node:545]Sending _design/view6 to ns_1@10.3.121.105
[ns_server:info,2012-09-17T13:34:57.694,ns_1@10.3.121.104:<0.370.16>:ns_replicas_builder_utils:kill_a_bunch_of_tap_names:59]Killed the following tap names on 'ns_1@10.3.121.105': [<<"replication_building_689_'ns_1@10.3.121.110'">>]
[user:info,2012-09-17T13:34:57.696,ns_1@10.3.121.104:<0.6290.0>:ns_orchestrator:handle_info:295]Rebalance exited with reason {{{bad_return_value,
{error,
{db_open_error,<<"default/688">>,
{not_found,no_db_file},
<<"Couldn't open database `default/688`, reason: {not_found,no_db_file}">>}}},
{gen_server,call,
['capi_set_view_manager-default',
initiate_indexing,infinity]}},
{gen_server,call,
[{'janitor_agent-default','ns_1@10.3.121.105'}

,

{if_rebalance,<0.27395.9>,initiate_indexing}

,
infinity]}}