Backup to S3 Error: Input Region=mysql_backup, Real Region=us-east-1

Note:
This topic has been translated from a Chinese forum by GPT and might contain errors.

Original topic: br备份至s3报错input region=mysql_backup, real region=us-east-1

| username: TiDBer_C33

[TiDB Usage Environment] Production Environment / Testing / PoC
[TiDB Version] v6.5.10
[Reproduction Path] Operations performed that led to the issue
[Encountered Issue: Problem Phenomenon and Impact]
[Resource Configuration] Go to TiDB Dashboard - Cluster Info - Hosts and take a screenshot of this page
[Attachments: Screenshots/Logs/Monitoring]

  1. The operation command is as follows:
    AWS_ACCESS_KEY_ID=xx AWS_SECRET_ACCESS_KEY=xx /tidb-community-toolkit-v6.5.10-linux-amd64/br backup full --pd=“xx:2379” --checksum=false --storage=“s3://mysql_backup/xx” --ratelimit=60 --s3.region=“mysql_backup” --send-credentials-to-tikv=true --log-file=./xx.log --s3.endpoint=“http://xx.co

[2024/07/10 16:53:41.751 +08:00] [INFO] [collector.go:73] [“Full Backup failed summary”] [total-ranges=0] [ranges-succeed=0] [ranges-failed=0]
Error: s3 bucket and region are not matched, bucket=mysql_backup, input region=mysql_backup, real region=us-east-1