Installation failed. Failed to receive heartbeat from agent - Help!

closing logging file descriptor
[12/Feb/2013:10:38:31] ENGINE Shutting down due to error in start listener:
"/usr/lib64/cmf/agent/build/env/lib/python2.6/site-packages/CherryPy-3.2.2-py2.6.egg/cherrypy/process/wspbus.py",
line 235, in start
"/usr/lib64/cmf/agent/build/env/lib/python2.6/site-packages/CherryPy-3.2.2-py2.6.egg/cherrypy/process/wspbus.py",
line 215, in publish
[12/Feb/2013:10:38:31] ENGINE Bus STOPPING
[12/Feb/2013:10:38:31] ENGINE HTTP Server
cherrypy._cpwsgi_server.CPWSGIServer(('cloudera-node2', 9000)) already shut
down
[12/Feb/2013:10:38:31] ENGINE Stopped thread '_TimeoutMonitor'.
[12/Feb/2013:10:38:31] ENGINE Bus STOPPED
[12/Feb/2013:10:38:31] ENGINE Bus EXITING
[12/Feb/2013:10:38:31] ENGINE Bus EXITED
line vars
starting as pid 24672 user root(0) group root(0).
pre-existing directory: /var/run/cloudera-scm-agent
Downloader path: /opt/cloudera/parcel-cache
/opt/cloudera/parcel-cache for parcel cache
pre-existing directory: /var/run/cloudera-scm-agent/cgroups
/var/run/cloudera-scm-agent/cgroups/memory
/var/run/cloudera-scm-agent/cgroups/cpu
/var/run/cloudera-scm-agent/cgroups/blkio
capabilities: {'has_memory': True, 'default_memory_limit_in_bytes':
9223372036854775807, 'writable_cgroup_dot_procs': True, 'has_cpu': True,
'default_blkio_weight': 1000, 'default_cpu_shares': 1024, 'has_blkio': True}
supervisord event monitor.
Monitored nodev filesystem types: ['nfs', 'nfs4', 'tmpfs']
Using timeout of 2.000000
Using join timeout of 0.100000
Using tolerance of 60.000000
metrics_url_timeout_seconds of 30.000000
task_metrics_timeout_seconds of 5.000000
max_collection_wait_seconds of 10.000000
tasktracker metric schema from file
/usr/lib64/cmf/agent/src/cmf/monitor/tasktracker/schema.json
ERROR Failed to collect disk stats for device 'mapper/VolGroup-lv_root'
54, in collect_update
'/sys/block/mapper/VolGroup-lv_root/stat'
Failed to add DiskDevice for disk='mapper/VolGroup-lv_root'
metric schema from file /usr/lib64/cmf/agent/src/cmf/monitor/schema.json
processes will inherit the following environment: {'CMF_CONF_DIR':
'/etc/cloudera-scm-agent', 'CMF_AGENT_HIVE_DEFAULT_XML':
'/etc/hive/conf.dist/hive-default.xml', 'CMF_AGENT_MGMT_HOME':
'/usr/share/cmf', 'CMF_AGENT_CDH_HTTPFS_HOME': '/usr/lib/hadoop-httpfs',
'PATH': '/sbin:/usr/sbin:/bin:/usr/bin', 'CMF_AGENT_CDH_FLUME_HOME':
'/usr/lib/flume-ng', 'CMF_AGENT_CDH_HBASE_HOME': '/usr/lib/hbase', 'LANG':
'en_US.UTF-8', 'TERM': 'vt100', 'CLOUDERA_ORACLE_CONNECTOR_JAR':
'/usr/share/java/oracle-connector-java.jar', 'CMF_AGENT_CDH_HUE_HOME':
'/usr/share/hue', 'SHLVL': '1', 'CMF_AGENT_TOMCAT_HOME':
'/usr/lib/bigtop-tomcat', 'CLOUDERA_POSTGRESQL_JDBC_JAR':
'/usr/share/cmf/lib/postgresql-9.0-801.jdbc4.jar',
'CMF_AGENT_CDH_PIG_HOME': '/usr/lib/pig', 'CMF_AGENT_CDH_HIVE_HOME':
'/usr/lib/hive', 'CLOUDERA_MYSQL_CONNECTOR_JAR':
'/usr/share/java/mysql-connector-java.jar', 'CMF_AGENT_CDH_YARN_HOME':
'/usr/lib/hadoop-yarn', 'CMF_AGENT_CDH_HADOOP_BIN': '/usr/bin/hadoop',
'CMF_AGENT_CDH_OOZIE_HOME': '/usr/lib/oozie',
'CMF_AGENT_CDH_ZOOKEEPER_HOME': '/usr/lib/zookeeper',
'CMF_AGENT_CDH_HUE_PLUGINS_HOME': '/usr/lib/hadoop', 'CMF_AGENT_JSVC_HOME':
'/usr/libexec/bigtop-utils', 'CMF_AGENT_CDH_HDFS_HOME':
'/usr/lib/hadoop-hdfs', 'CMF_AGENT_CDH_MR1_HOME':
'/usr/lib/hadoop-0.20-mapreduce', 'CMF_AGENT_CDH_MR2_HOME':
'/usr/lib/hadoop-mapreduce', 'PWD': '/', 'CMF_AGENT_CDH_HADOOP_HOME':
'/usr/lib/hadoop', 'CMF_AGENT_CDH_IMPALA_HOME': '/usr/lib/impala'}
processes will add the following their environment environment:
{'CDH_MR2_HOME': '/usr/lib/hadoop-mapreduce', 'CMF_PACKAGE_DIR':
'/usr/lib64/cmf/service', 'CDH_HADOOP_BIN': '/usr/bin/hadoop', 'MGMT_HOME':
'/usr/share/cmf', 'CDH_IMPALA_HOME': '/usr/lib/impala', 'CDH_YARN_HOME':
'/usr/lib/hadoop-yarn', 'CDH_HDFS_HOME': '/usr/lib/hadoop-hdfs',
'CDH_HUE_PLUGINS_HOME': '/usr/lib/hadoop', 'CM_STATUS_CODES': u'STATUS_NONE
HDFS_DFS_DIR_NOT_EMPTY', 'CLOUDERA_ORACLE_CONNECTOR_JAR':
'/usr/share/java/oracle-connector-java.jar', 'CDH_HIVE_HOME':
'/usr/lib/hive', 'JSVC_HOME': '/usr/libexec/bigtop-utils',
'HIVE_DEFAULT_XML': '/etc/hive/conf.dist/hive-default.xml',
'CLOUDERA_POSTGRESQL_JDBC_JAR':
'/usr/share/cmf/lib/postgresql-9.0-801.jdbc4.jar', 'CDH_HBASE_HOME':
'/usr/lib/hbase', 'CDH_OOZIE_HOME': '/usr/lib/oozie', 'CDH_ZOOKEEPER_HOME':
'/usr/lib/zookeeper', 'CDH_HUE_HOME': '/usr/share/hue',
'CLOUDERA_MYSQL_CONNECTOR_JAR': '/usr/share/java/mysql-connector-java.jar',
'CDH_MR1_HOME': '/usr/lib/hadoop-0.20-mapreduce', 'CDH_PIG_HOME':
'/usr/lib/pig', 'CDH_HTTPFS_HOME': '/usr/lib/hadoop-httpfs',
'CDH_HADOOP_HOME': '/usr/lib/hadoop', 'TOMCAT_HOME':
'/usr/lib/bigtop-tomcat', 'CDH_FLUME_HOME': '/usr/lib/flume-ng'}
pre-existing directory: /var/run/cloudera-scm-agent/process
pre-existing directory: /var/run/cloudera-scm-agent/supervisor
pre-existing directory: /var/run/cloudera-scm-agent/supervisor/include
previous supervisor: agent-8767-1360595961.
[12/Feb/2013:10:46:14] ENGINE Bus STARTING
[12/Feb/2013:10:46:14] ENGINE Started monitor thread '_TimeoutMonitor'.

Proto Recv-Q Send-Q Local Address Foreign
Address State PID/Program name
tcp 0 0 cloudera-node1:9000
*:* LISTEN 17258/python
tcp 0 0 *:7432
*:* LISTEN 1798/postgres
tcp 0 0 localhost:9001
*:* LISTEN 8945/python2.6
tcp 0 0 *:7180
*:* LISTEN 1826/java
tcp 0 0 *:7182
*:* LISTEN 1826/java
tcp 0 0 *:111
*:* LISTEN 1426/rpcbind
tcp 0 0 *:22
*:* LISTEN
tcp 0 0 *:54102
*:* LISTEN
tcp 0 0 localhost:36186
localhost:9001 ESTABLISHED
tcp 0 0 cloudera-node1:38815
cloudera-node3:22 ESTABLISHED
tcp 0 0 localhost:7432
localhost:58248 ESTABLISHED
tcp 0 0 cloudera-node1:7180
webvpn.domain.co.uk:16971 ESTABLISHED
tcp 0 0 localhost:58245
localhost:7432 ESTABLISHED
tcp 0 0 localhost:58247
localhost:7432 ESTABLISHED
tcp 0 0 cloudera-node1:39077
cloudera-node1:7182 ESTABLISHED
tcp 0 0 localhost:7432
localhost:58246 ESTABLISHED
tcp 0 0 cloudera-node1:22
webvpn.domain.co.uk:16062 ESTABLISHED
tcp 0 0 cloudera-node1:43521
cloudera-node6:22 ESTABLISHED
tcp 0 0 localhost:58246
localhost:7432 ESTABLISHED
tcp 0 0 localhost:58248
localhost:7432 ESTABLISHED
tcp 0 0 cloudera-node1:49106
cloudera-node5:22 ESTABLISHED
tcp 0 0 cloudera-node1:49705
cloudera-node4:22 ESTABLISHED
tcp 0 0 localhost:7432
localhost:58244 ESTABLISHED
tcp 0 0 localhost:7432
localhost:58247 ESTABLISHED
tcp 0 0 localhost:7432
localhost:58245 ESTABLISHED
tcp 0 0 localhost:9001
localhost:36186 ESTABLISHED
tcp 0 0 cloudera-node1:7182
cloudera-node1:39077 ESTABLISHED
tcp 0 0 localhost:58244
localhost:7432 ESTABLISHED
tcp 0 0 *:7432
*:* LISTEN
tcp 0 0 *:33514
*:* LISTEN
tcp 0 0 *:111
*:* LISTEN
tcp 0 0 *:22
*:* LISTEN