I recently started with AWS and I need to stop/reboot some EC2 Windows instances. The instances are with EBS volumes.
Is there any difference if I use the Shutdown/Reboot Windows option vs Stop/Reboot from the AWS Console?
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You have the following options:
Stop and Restart the instance from AWS commands
Stop the instance from Windows "Start Menu" commands (or
shutdown -h command in Linux) and restart the instance from AWS commands
Reboot the instance from AWS commands
Reboot the instance from Windows "Start Menu" (or
shutdown -r command in Linux)
Whenever possible, AWS will gracefully shutdown the OS for both stops and reboots.
If you use AWS commands to stop or restart your EC2 instances, you may face "unexpected shutdown" alerts in your Windows instances. Mostly, these are harmless questions by the OS to the admin, not notifications of errors.
When using AWS commands to stop your EC2 instance, if it does not stop, you can retry with the "force" option. Using this option does not gracefully shutdown the OS and your filesystem should be checked on next start.