EC2 instance unexpectedly reboots itself

0

Hi,

Instance unexpectedly rebooted itself at 5:07, and we cannot figure out what is the root cause.

/var/log# journalctl --list-boots
-1 d1c45ee0e2f44522a4bb13374340bfc6 Wed 2020-06-03 09:25:34 UTC—Thu 2020-06-04 04:55:06 UTC
 0 3f210ffe0ea24afe83d81cd99e8fba81 Thu 2020-06-04 05:07:47 UTC—Thu 2020-06-04 14:51:20 UTC

Attaching syslog if that could be of any help.
Instance id: i-01ced54cdba63ac89

Could someone from Amazon please check this?

Thank you

3Libras
質問済み 4年前1142ビュー
2回答
0

Hello,

I have looked at instance, and found there was an underlying hardware issue at the time(2020-06-04 04:00:00 UTC to 2020-06-04 05:00:00 UTC) where it experienced unexpected reboot. It has been stable since.

For additional information , please refer to the below details:

System status checks
Monitor the AWS systems on which your instance runs. These checks detect underlying problems with your instance that require AWS involvement to repair. When a system status check fails, you can choose to wait for AWS to fix the issue, or you can resolve it yourself. For instances backed by Amazon EBS, you can stop and start the instance yourself, which in most cases results in the instance being migrated to a new host. For instances backed by instance store, you can terminate and replace the instance.

The following are examples of problems that can cause system status checks to fail:

  • Loss of network connectivity

  • Loss of system power

  • Software issues on the physical host

  • Hardware issues on the physical host that impact network reachability

回答済み 4年前
0

Thanks for clarification on this issue. Stopping and starting the instance solved the problem indeed, even though we experienced the same unexpected reboot with some other instances as well. Now upgraded our AWS Support Plan so will check with support engineers directly in the future to determine the root cause.

Thank you!

Edited by: 3Libras on Aug 28, 2020 6:53 AM

3Libras
回答済み 4年前

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