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This section provides information to help you troubleshoot problems with your instance.
If there are instances running on a machine which fails, the instances terminate and need to be relaunched. All data on the instance stores and on Amazon EBS root volumes (for Amazon EBS-backed instances) is also lost by default.
The default behavior of
the root volume on the Amazon EBS-backed instance can be changed by setting the value of
false. For more information, see Amazon EC2 Root Device Volume. The data on the non-root Amazon EBS volumes (if attached) is preserved,
by default, on instance termination.
Always replicate important data: use Amazon EBS, or store it in Amazon S3.
If you get an "InsufficientInstanceCapacity" error when you try to launch an instance, AWS does not currently have enough available capacity to service your request. If you are requesting a large number of instances, there might not be enough server capacity to host them. You can try again later or specify a smaller number of instances.
If you get an "InstanceLimitExceeded" error when you try to launch an instance, you have reached your concurrent running instance limit. For new AWS accounts, the limit is 20. If you need additional capacity, please complete the form at Request to Increase Amazon EC2 Instance Limit.