Describes backups.Show details from next link. https://docs.aws.amazon.com/ja_jp/cli/latest/reference/opsworks-cm/describe-backups.html
| aws opsworks-cm describe-backups --server-name MyChefAutomateServer --region us-west-2 |
| Restore OpsWorks for Chef Automate Servers From a Backup : http://aws.amazon.com/premiumsupport/knowledge-center/restore-opsworks-chef-backup/ |