cluster is broken after Rebalance exited with reason {important_nodes_went_down,

http://qa.hq.northscale.net/job/ubuntu-64-2.0-upgrade/108/consoleFull

Node 'ns_1@10.3.3.24' saw that node 'ns_1@10.3.3.26' came up. Tags: [] (repeated 1 times) ns_node_disco004 ns_1@10.3.3.24 00:15:11 - Thu Apr 18, 2013
Server error during processing: ["web request failed",

{path,"/pools/default/saslBucketsStreaming"}

,

{type,error}

,

{what,badarg}

,
{trace,
[

{erlang,integer_to_list,[undefined]}

,

{ns_bucket, '-json_map_from_config/2-fun-0-',3}

,

{lists,map,2},{lists,map,2}

,

{ns_bucket,json_map_from_config,2}

,

{menelaus_web_buckets, '-handle_sasl_buckets_streaming/2-fun-1-', 3}

,

{lists,map,2}

,

{menelaus_web_buckets, '-handle_sasl_buckets_streaming/2-fun-2-', 2}

]}] (repeated 12 times) menelaus_web019 ns_1@10.3.3.19 00:15:09 - Thu Apr 18, 2013
Rebalance exited with reason {important_nodes_went_down,
{ns_node_disco_events,
['ns_1@10.3.3.19','ns_1@10.3.3.24',
'ns_1@10.3.3.26','ns_1@10.3.3.27'],
['ns_1@10.3.3.19','ns_1@10.3.3.24',
'ns_1@10.3.3.27']}}
ns_orchestrator002 ns_1@10.3.3.24 00:14:51 - Thu Apr 18, 2013

for this server is impossible to get rebalance progress
see related issue MB-8126

[2013-04-18 19:14:30,550] - [rest_client:608] ERROR - socket error while connecting to http://10.3.3.24:8091/pools/default/rebalanceProgress error timed out