OceanBase管理数据库执行全量恢复

数据运维 2023-09-25 捡田螺的小男孩 手机阅读

  • 执行以下语句，开始执行恢复任务。

    语句如下：

    • 恢复到指定时间戳

      obclient> ALTER SYSTEM RESTORE dest_tenant_name FROM uri UNTIL TIME=timestamp WITH restore_option [DESCRIPTION description];

  • 恢复到指定 SCN

    obclient> ALTER SYSTEM RESTORE dest_tenant_name FROM uri UNTIL SCN=scn WITH restore_option [DESCRIPTION description];

  • 恢复到最新位点

    obclient> ALTER SYSTEM RESTORE dest_tenant_name FROM uri WITH restore_option [DESCRIPTION description];

  • 从数据备份路径 file:///data/nfs/backup/data 与日志归档路径 file:///data/nfs/backup/archive 恢复租户 mysql 恢复到当前最新的归档位点, 指定资源池为 restore_pool

    obclient> ALTER SYSTEM RESTORE mysql FROM 'file:///data/nfs/backup/data,file:///data/nfs/backup/archive' WITH 'pool_list=restore_pool';

  • 从数据备份路径 file:///data/nfs/backup/data 与日志归档路径 file:///data/nfs/backup/archive 恢复租户 mysql 到指定 scn 1658285759724047000, 指定资源池为 restore_pool

    obclient> ALTER SYSTEM RESTORE mysql FROM 'file:///data/nfs/backup/data,file:///data/nfs/backup/archive' until SCN='1658285759724047000' WITH 'pool_list=restore_pool';

  • 从数据备份路径 file:///data/nfs/backup/data 与日志归档路径 file:///data/nfs/backup/archive 恢复租户 mysql 到指定时间戳 2022-06-1 00:00:00, 指定资源池为 restore_pool, 副本 Locality 为 F@z1,F@z2,F@z3。

    obclient> ALTER SYSTEM RESTORE mysql FROM 'file:///data/nfs/backup/data,file:///data/nfs/backup/archive' until TIME='2022-06-1 00:00:00' WITH 'pool_list=restore_pool&locality=F@z1,F@z2,F@z3';

  • 从数据备份路径 file:///data/nfs/backup/data 与日志归档路径 file:///data/nfs/backup/archive 恢复租户 mysql 到指定时间戳 2022-06-1 00:00:00, 指定资源池为 restore_pool, 副本 Locality 为 F@z1,F@z2,F@z3, 并指定 primary_zone 为 z1。

    obclient> ALTER SYSTEM RESTORE mysql FROM 'file:///data/nfs/backup/data,file:///data/nfs/backup/archive' until TIME='2022-06-1 00:00:00' WITH 'pool_list=restore_pool&locality=F@z1,F@z2,F@z3&primary_zone=z1';

  • OSS

    除 url 参数有所变更外, 其余参数使用与 NFS 一致。

    • 从 OSS 备份路径 oss://oceanbase-test-bucket/backup/data/?host=xxx.aliyun-inc.com&access_id=xxx&access_key=xxx 与 OSS 日志归档路径 oss://oceanbase-test-bucket/backup/archive/?host=xxx.aliyun-inc.com&access_id=xxx&access_key=xxx恢复租户 mysql 到指定时间戳 2022-06-1 00:00:00, 指定资源池为 restore_pool。

      obclient> ALTER SYSTEM RESTORE mysql FROM 'oss://oceanbase-test-bucket/backup/data/?host=xxx.aliyun-inc.com&access_id=xxx&access_key=xxx,oss://oceanbase-test-bucket/backup/archive/?host=xxx.aliyun-inc.com&access_id=xxx&access_key=xxx' until TIME='2022-06-1 00:00:00' WITH 'pool_list=restore_pool';