BR Backup Error: [BR:Backup:ErrBackupChecksumMismatch] Backup checksum mismatch

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

Original topic: BR备份出现Error: [BR:Backup:ErrBackupChecksumMismatch]backup checksum mismatch

| username: TiDBer_QYr0vohO

[TiDB Usage Environment] Production Environment / Test / Poc
Production
[TiDB Version]
v7.1.0
[Reproduction Path] What operations were performed when the issue occurred
None
[Encountered Issue: Issue Phenomenon and Impact]
An error occurred during the checksum in the BR backup, around 19:24. The backup was successful after removing --backupts.
Command: tiup br backup full --pd “${pd}” --backupts “2023-07-26 19:19:00” --storage “s3://tidb-backup/data/full-backup/snapshot-20230726191900?access-key=${key}&secret-access-key=${secret}” --s3.region cn-northwest-1
[Resource Configuration]
[Attachments: Screenshots / Logs / Monitoring]

| username: 我是咖啡哥 | Original post link

You backed up at 11:24 and specified to back up the data from 19:19? How could that possibly succeed?

| username: xfworld | Original post link

Unless he modified the GC parameters :upside_down_face:

| username: TiDBer_QYr0vohO | Original post link

The default GC is 10 minutes, which means that the backup is also calculated at least 10 minutes in advance, right?

| username: system | Original post link

This topic was automatically closed 60 days after the last reply. New replies are no longer allowed.