Oracle 10g rac升级失败如何回退？
有个问题一直在困惑许久，Oracle 10g rac在升级crs时，万一失败了。RAC这玩意玩笑是不能随便开的。 本测试在Linux平台上完成，生
有个问题一直在困惑许久，Oracle 10g rac在升级crs时，万一失败了。RAC这玩意玩笑是不能随便开的。
本测试在Linux平台上完成，生产库操作需谨慎。
1.升级至前备份ocr，vot
2、备份inventory目录
3、备份crs_home目录
4、备份init.crs，init.crsd， init.evmd，init.cssd文件
备份以上目录，crs升级失败应该就能回退了。
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