RDS and S3 problems to backup and restotre

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Suddenly start having problems to backup database from RDS to S3. [2024-08-22 10:16:02.123] Aborted the task because of a task failure or an overlap with your preferred backup window for RDS automated backup. [2024-08-22 10:16:02.130] Task has been aborted [2024-08-22 10:16:02.137] Error making request with Error Code BadRequest and Http Status Code BadRequest. No further error information was returned by the service. Any idea to solve the problem?

질문됨 2달 전86회 조회
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  1. Check the IAM Role and Permissions: Ensure the IAM role associated with the RDS instance has the necessary permissions to access the S3 bucket and perform the backup operations. Attach the following managed policies to the IAM role: AmazonRDSFullAccess (This is more relevant for RDS operations). Custom Policies: If you have specific policies like AWSBackupServiceRolePolicyForS3Backup and AWSBackupServiceRolePolicyForS3Restore (although these are typically associated with AWS Backup, not directly with RDS), ensure they are applied if required. Verify the IAM role in the RDS option group only if you are using specific RDS features that require an option group, such as Oracle or SQL Server features. For basic RDS backups to S3, this might not be necessary.

  2. Verify S3 Bucket Configuration: Ensure the S3 bucket has versioning enabled. While versioning is generally a good practice for data integrity, it's not a strict requirement for backups. Verify that the bucket allows writes from the IAM role associated with RDS. Check the bucket policies to ensure there are no Deny statements that might block s3:PutObject or other necessary actions. Deny actions for s3:PutBucketNotification: This isn't directly related to backups but could cause issues if bucket notifications (like triggering Lambda functions) are involved in your backup process. Ensure the permissions align with your use case.

  3. Increase the Number of Backup Files: The step about increasing the number of files pertains to SQL Server RDS instances when using the stored procedure msdb.dbo.rds_backup_database. The @number_of_files parameter can sometimes improve performance by parallelizing the backup. This step is specific to SQL Server and not applicable to other RDS engines like MySQL, PostgreSQL, etc.

  4. Check for Conflicts or Overlaps with the Preferred Backup Window: Ensure there are no conflicts with the RDS automated backup window. This is important as conflicts can cause the manual backup to be aborted, as indicated in the error you encountered.

  5. Review Amazon S3 Backup Performance Optimization: If dealing with large backups, follow AWS's guidelines on https://aws.amazon.com/premiumsupport/knowledge-center/s3-performance-upload-download/. This can help in scenarios where performance issues are causing the backup to fail.

  6. Review Logs and Error Messages: Further investigate the RDS backup logs if the issue persists. The logs can provide more detailed insights into why the backup might be failing.

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