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




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