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Posted to common-issues@hadoop.apache.org by "Tom White (JIRA)" <ji...@apache.org> on 2009/12/14 22:01:31 UTC

[jira] Created: (HADOOP-6440) Use boot from EBS in EC2

Use boot from EBS in EC2
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                 Key: HADOOP-6440
                 URL: https://issues.apache.org/jira/browse/HADOOP-6440
             Project: Hadoop Common
          Issue Type: Improvement
          Components: contrib/ec2
            Reporter: Tom White


Amazon now supports the ability to boot from EBS snapshots (http://aws.amazon.com/about-aws/whats-new/2009/12/03/amazon-ec2-instances-now-can-boot-from-amazon-ebs/).

We can use this feature to simplify the EBS support in the contrib scripts. The code that manages the instance/volume mapping can be retired, since EC2 itself now manages this relationship.

This change would add "stop-cluster" and "start-cluster" commands to stop/start the instances in a cluster while keeping the EBS volumes attached.

Also, deprecate the "create-storage" and "attach-storage" commands, since both happen as a part of launch-cluster.


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