Hi, mayur i've met the same problem. the instances are on, i can see them from ec2 console, and connect to them
wxhsdp@ubuntu:~/spark/spark/tags/v1.0.0-rc3/ec2$ ssh -i wxhsdp-us-east.pem root@54.86.181.108 The authenticity of host '54.86.181.108 (54.86.181.108)' can't be established. ECDSA key fingerprint is Are you sure you want to continue connecting (yes/no)? yes Warning: Permanently added '54.86.181.108' (ECDSA) to the list of known hosts. Last login: Sun Feb 2 23:13:21 2014 from c-50-131-222-227.hsd1.ca.comcast.net __| __|_ ) _| ( / Amazon Linux AMI ___|\___|___| https://aws.amazon.com/amazon-linux-ami/2013.03-release-notes/ There are 42 security update(s) out of 257 total update(s) available Run "sudo yum update" to apply all updates. Amazon Linux version 2014.03 is available. but there's /root/ephemeral-hdfs and spark directory as said in the ec2-scripts.html -- View this message in context: http://apache-spark-user-list.1001560.n3.nabble.com/0-9-wont-start-cluster-on-ec2-SSH-connection-refused-tp4146p5498.html Sent from the Apache Spark User List mailing list archive at Nabble.com.