Saturday, May 11, 2019

Oracle RAC with Standard Edition (SE) 2 is not supported in 19c

Introduction
For so many years (starting in the early 2000's, when 10g was released) Oracle RAC option (Real Application Clusters) was available with Oracle Standard Editions; even when Oracle introduced Oracle Standard Edition 2 (SE2) back in version 12.1.0.2 (see my blog post about SE2 here), they offered the RAC option.

19c Update
With the introduction of the recent 19c release, Oracle did a pretty significant change with SE2 which I believe is worthy of a blog post.
Oracle RAC has been de-supported effective with Oracle Database 19c.
According to Oracle, "SE2 Socket requirements are hard to meet as hardware evolves." In addition, they claim that "SE Oracle RAC has seen diminishing demand with increased high availability requirements, as SE does not provide the full set of high availability capabilities available in the Oracle Database Enterprise Edition".

My Own View
I personally feel like Oracle licensing is too strict and with this recent change it became even stricter. For example, I always believed that Diagnostics and Tuning packs should have been part of the Enterprise Edition by default. I felt like the move to Standard Edition 2 back in 12.1.0.2 was strict as it was more limited than Standard Edition with the same price. I believe that the recent 19c SE2 change is a (valid) tactic to move people to Oracle cloud. The positive news is that from my experience of working with my customer base, the impact on the market should be very low as it's pretty rare to see customers use SE2 with RAC given the limitations of SE2.


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11 comments:

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  7. Shivaji BrollyJanuary 17, 2025 at 10:18 PM

    This is an insightful post on Oracle's decision to de-support RAC with SE2 in 19c. The shift highlights Oracle's focus on evolving hardware requirements and cloud adoption strategies. While the impact might be minimal due to SE2's limited RAC usage, it still reflects Oracle's increasingly restrictive licensing policies.

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  11. Azure trainingsFebruary 22, 2025 at 2:13 AM

    racle RAC with Standard Edition SE 2 is incredibly insightful, offering a thorough explanation of the setup and configuration process. It highlights the advantages of using Oracle RAC for high availability and scalability, making it a valuable resource for anyone interested in optimizing their database environment. The detailed steps and clear explanations make it easy to follow, even for those who might not be experts in the field. A great read for anyone looking to enhance their knowledge of Oracle RAC!
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