Migrate EBS to Exadata
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Exadata是Oracle针对Database的一个存储产品，该产品中包含的服务器通常使用Linux X86(64)作为操作系统，字节序为Little，而很多企业的服务器都是Solaris,AIX,HP UX等字节序为BIG的，不能使用Convert全库的方式整库迁移。之前做过一次完整的EBS Migrate to Exadata，整个过程时间花费无论怎么压缩都需要48小时以上，花费最多的就是在XTTS阶段，为了缩短时间，有尝试过OGG，但是发现OGG有部分类型的数据不支持，也就是说迁移过去的EBS会和原库有差异。今天在一位Oracle开发组成员的Blog上面确实也讲到了这一点，摘抄如下：
Hi,
I am going to migrate our EBS DB Tier from HP-UX to Exadata (11.2.0.2), and Apps Tier to 5.10 SPARC 64-Bit
The version of components as following:
1. EBS: 11.5.10.2 running on HP-UX 11.11
2. DB: 10.2.0.3 running on HP-UX 11.11
To minimize the down time, I am thinking to use OGG.
Kindly, please help to verify the method:
1. Clone the 10.2.0.3 DB to HP-UX 11.31 (direct upgrade is not supported)
2. Start OGG Extract Process to capture the changes
3. Upgrade the DB to 11.2.0.2 on HP-UX 11.31 (staging server)
4. Use oracle TTS to duplicate the DB from the staging server to Exadata DB.
5. Start OGG Replicat Process to apply the changes.
6. Once Lag is caught up, do cutover
Posted by Abip on February 04, 2012 at 01:42 AM PST #
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Abip,
Thanks for the inquiry.
As per this blog article, Golden Gate is not currently certified for migrating Oracle E-Business Suite databases from one operating system platform to another; therefore, the method you have outlined is not certified.
As an update to the article, I can state that certification process for using Golden Gate to migrate Oracle E-Business Suite databases from one operating system platform to another is underway. Due to Oracle's revenue recognition policy, I'm not at liberty to provide a time line for the certification.
Good luck with your migration.
Regards,
~ep
Posted by Elke Phelps (Oracle Development) on February 06, 2012 at 09:18 AM PST #
换句话说目前版本OGG的不推荐用做Migrate Your EBS to Exadata，当然不排除新版本的OGG可以支持EBS的Migrate，继续期待中。
EBS Database迁移完毕，AP跨平台迁移就简单了，按照跨平台迁移步骤迁移即可。
当然了每次迁移都离不开APPS DBA，功能顾问，开发顾问的通力合作。