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【 TiDB 使用环境】
V5.2.3版本
【概述】 场景 + 问题概述
br 全库备份
./br backup full --pd “http://pd:2379” -s “local:///opt/full_20220326/”
备份没问题,正常,其中/opt/full_20220326为各个tikv节点的本地路径;
通过nfs 挂载到各个tikv 节点,也测试了手工写文件,权限都正常;
./br backup full --pd “http://pd:2379” -s “local:///tidb_backup/full_20220326/”
备份失败,显示其中一个tikv 节点异常:
[2022/03/26 16:21:14.635 +08:00] [ERROR] [endpoint.rs:304] [“backup save file failed”] [err_code=KV:Unknown] [err=“Io(Os { code: 22, kind: InvalidInput, message: “Invalid argument” })”]
[2022/03/26 16:21:14.635 +08:00] [ERROR] [endpoint.rs:742] [“backup region failed”] [err_code=KV:Unknown] [err=“Io(Os { code: 22, kind: InvalidInput, message: “Invalid argument” })”] [end_key=7480000000000005625F698000000000000002013130000000000000F9013000000000000000F8013030000000000000F9013000000000000000F8038000000000058B9F] [start_key=7480000000000005625F69800000000000000200] [region=“id: 3965636 start_key: 7480000000000005FF625F698000000000FF0000010380000000FF0132432603800000FF0000028C08038000FF0000000000010000FD end_key: 7480000000000005FF625F698000000000FF0000020131300000FF00000000F9013000FF000000000000F801FF3030000000000000FFF901300000000000FF0000F80380000000FF00058B9F00000000FB region_epoch { conf_ver: 1961 version: 3683 } peers { id: 4035479 store_id: 28 } peers { id: 4041515 store_id: 4 } peers { id: 4041544 store_id: 29 }”]
[2022/03/26 16:21:14.635 +08:00] [INFO] [service.rs:66] [“backup closed”]
[2022/03/26 16:21:14.636 +08:00] [ERROR] [service.rs:73] [“backup canceled”] [error=RemoteStopped]
[2022/03/26 16:21:15.656 +08:00] [ERROR] [endpoint.rs:304] [“backup save file failed”] [err_code=KV:Unknown] [err=“Io(Os { code: 22, kind: InvalidInput, message: “Invalid argument” })”]
[2022/03/26 16:21:15.656 +08:00] [ERROR] [endpoint.rs:742] [“backup region failed”] [err_code=KV:Unknown] [err=“Io(Os { code: 22, kind: InvalidInput, message: “Invalid argument” })”] [end_key=7480000000000005625F698000000000000001FB] [start_key=7480000000000005625F698000000000000001038000000001324326038000000000028C08038000000000000001] [region=“id: 3965636 start_key: 7480000000000005FF625F698000000000FF0000010380000000FF0132432603800000FF0000028C08038000FF0000000000010000FD end_key: 7480000000000005FF625F698000000000FF0000020131300000FF00000000F9013000FF000000000000F801FF3030000000000000FFF901300000000000FF0000F80380000000FF00058B9F00000000FB region_epoch { conf_ver: 1961 version: 3683 } peers { id: 4035479 store_id: 28 } peers { id: 4041515 store_id: 4 } peers { id: 4041544 store_id: 29 }”]
[2022/03/26 16:21:15.656 +08:00] [ERROR] [endpoint.rs:771] [“backup failed to send response”] [err_code=KV:Unknown] [err=“TrySendError { kind: Disconnected }”]
【备份和数据迁移策略逻辑】
【背景】 做过哪些操作
【现象】 业务和数据库现象
【问题】 当前遇到的问题
【业务影响】
【TiDB 版本】
【附件】
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