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Day: September 25, 2020

南大通用GBase 8a部分V95版本升级时需要gcware.flush_statemachine强行刷快照的操作

Posted on 2020年9月25日2021年12月23日 by laozizhu

南大通用GBase 8a部分V95版本升级时需要强行刷快照的操作

南大通用GBase 8a升级过程意外失败后强制回退的方法Restore.py

Posted on 2020年9月25日2021年10月29日 by laozizhu

本文介绍,在GBase 8a数据库集群升级时,由于意外原因,比如断电,死机等,导致数据库已经更新了部分内容,但无法正常完成时,强行Restore的方法。

南大通用GBase 8a表级全量和增量备份还原功能测试gcrcman.py

Posted on 2020年9月25日2023年4月14日 by laozizhu
gcrcman 备份还原

本文介绍GBase 8a数据库集群自带的备份还原工具gcrcman的使用,尝试备份还原一个表。

南大通用GBase 8a刚启动服务后,执行gcadmin报错exec_cmd_show_cluster crm get cluster mode ERROR: [6]-->[GC_AIS_ERR_TRY_AGAIN] gcadmin show cluster failed

Posted on 2020年9月25日2021年9月6日 by laozizhu

南大通用GBase 8a执行gcadmin时报错 ,exec_cmd_show_cluster crm get cluster mode ERROR: [6]-->[GC_AIS_ERR_TRY_AGAIN],gcadmin show cluster failed。一般都是集群corosync/gcware在同步REDOLOG信息时出现,稍后会自动恢复。

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