日志备份

启动日志归档

ALTER SYSTEM ARCHIVELOG;

查看日志归档状态

SELECT * FROM CDB_OB_BACKUP_ARCHIVELOG;

停止日志归档

ALTER SYSTEM NOARCHIVELOG;

数据备份

发起转储

-- 发起转储
ALTER SYSTEM MAJOR FREEZE;-- 查看转储进度
SELECT * FROM oceanbase.__all_zone WHERE name='merge_status';

发起全量备份

-- 全量备份
ALTER SYSTEM BACKUP DATABASE;

发起增量备份

-- 增量备份
ALTER SYSTEM BACKUP INCREMENTAL DATABASE;

查看备份进度

-- 查看备份进度
SELECT BS_KEY,BACKUP_TYPE,TENANT_ID,START_TIME,COMPLETION_TIME,STATUS FROM CDB_OB_BACKUP_PROGRESS;

查看备份历史

SELECT * FROM CDB_OB_BACKUP_SET_DETAILS WHERE BS_KEY=(SELECT MAX(BS_KEY) FROM CDB_OB_BACKUP_SET_DETAILS);

查看备份目的端

SHOW PARAMETERS LIKE 'backup_dest'\G

停止数据备份

ALTER SYSTEM CANCEL ALL BACKUP FORCE;

数据恢复

发起数据恢复

ALTER SYSTEM RESTORE csdu_tenant2 FROM csdu_tenant1 at 'oss://csdubucket/backup/archive?host=oss-cn-beijing.aliyuncs.com&access_id=xxxxxx&access_key=xxxxxx' until '2023-12-23 17:37:38.744639' with  'backup_cluster_name=ob3cluster&backup_cluster_id=1&pool_list=resource_pool2';

查看恢复进度

SELECT * FROM oceanbase.CDB_OB_RESTORE_PROGRESS;

查看恢复历史

SELECT * FROM oceanbase.CDB_OB_RESTORE_HISTORY;

取消恢复

DROP TENANT tenant_name FORCE;

参考资料

• OceanBase v3.1.5 物理备份与恢复概述
  https://www.oceanbase.com/docs/community-observer-cn-10000000001879588