
OracleMAA By Francisco Munoz Alvarez
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Blog features articles on Maximum Availability Architecture (MAA), Data Guard and other topics. The author Francisco Munoz Alvarez is an author and popular speaker at many Oracle conferences around the world and currently works for Oracle, as a distinguished product manager for maximum availability architecture (MAA) and competitive intelligence.
OracleMAA By Francisco Munoz Alvarez
1y ago
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Today we will play with an exciting and not very well-known feature within the Oracle Database, called Application Continuity (AC) which is available with the Oracle Real Application Clusters (RAC), Oracle RAC One Node and Oracle Active Data Guard options and it masks outages from end users and applications by recovering the in-flight database sessions following recoverable outages. In simple words, allow your application to achieve extremely hi ..read more
OracleMAA By Francisco Munoz Alvarez
1y ago
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One more year and once again after a few years of not happening due to Covid, getting ready to leave for a new Oracle LAD Community Tour (Ex-Grounbreakers and OTN Tours). This time the tour will go through 10 different countries, but in my case, I will only be participating in 8 of them.
Here are this year’s tour details:
Colombia, July 28th
Costa Rica, July 31st
Panama, August 2nd
Mexico, August 4th
Guatemala, August 7th
Chile, August 9th
Brazi ..read more
OracleMAA By Francisco Munoz Alvarez
2y ago
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Oracle has released today (April 4, 2023) the new Oracle Database 23c Free (Developer Release). This marks a significant change within the Oracle delivery model of only delivering a free database (as per example XE) after the full version is available to the public. This clearly shows Oracle’s commitment to the developer community, allowing developers to have a head start before any commercial version of 23c becomes available in the market.
Some ke ..read more
OracleMAA By Francisco Munoz Alvarez
2y ago
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This middle of November, I will be presenting three sessions at one of my favourite events, the DB Tech Showcase in Tokyo, Japan. This is a free event, and if you are in Japan, please feel free to register and come to meet me at any of my following sessions (Dates and Times in Japan Time Zone):
Friday November 18, 11:00AM to 11:45AM – 5 Reasons to Use Oracle Cloud Converged Databases for All Your Data and Workloads by Francisco Munoz Alvarez, and Heli Helskyaho (Track D)
Friday Novemb ..read more
OracleMAA By Francisco Munoz Alvarez
2y ago
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Note: You can review the environment setup part of the tutorial here.
Now that we have all DRPGs created and associated, it is time to add members to each DRPG (primary and standby). For the primary (Ashburn) DRPG we will add:
The primary DB (ATP)
The 2 Mushop Compute VM’s
Two Volume Groups (Boot volumes of the MuShop Compute VM’s)
For the standby (Phoenix) DRPG we will add:
The Standby DB (ATP)
At the primary DRPG (Ashburn), click at the members (1) option at the Resources tab, cli ..read more
OracleMAA By Francisco Munoz Alvarez
2y ago
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I am very happy to announce the GA of the new Oracle Cloud Infrastructure (OCI) solution that the Oracle MAA team has been working very hard to bring to you (Thank you, Suraj Ramesh).
Today we will play with the new, Full Stack Disaster Recovery Service (FSDR) it is a fully managed OCI disaster recovery orchestration and management service that provides comprehensive disaster recovery capabilities for all layers of an application stack, including infrastructure, middleware, database, an ..read more
OracleMAA By Francisco Munoz Alvarez
2y ago
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This week is Oracle Cloud World in Las Vegas. Can’t make it in-person? Not a problem, there’s STILL a way to catch much of the content, digitally. And, I have a code you can use to get a free Cloud World Digital Pass!
The comp code to use at https://www.oracle.com/cloudworld/register/ is: OCWDIGITAL
Of course, do not miss this great opportunity to learn more about Oracle MAA (Maximum Availability Architecture) and get the latest updates on MAA and High Availability at Oracle CloudWorld ..read more
OracleMAA By Francisco Munoz Alvarez
2y ago
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I am very happy to announce that with the new 19.16 RU (July 2022 Release Update) for Oracle Database released last week (Doc ID 2521164.1), Data Guard is now more flexible regarding how it deals with mixed encryption configurations with the introduction of the new TABLESPACE_ENCRYPTION initialization parameter.
Previously when having a hybrid DR environment using Oracle Cloud (OCI), it was very common to have the primary database forced to use ASO (Advanced Security Options) as the sta ..read more
OracleMAA By Francisco Munoz Alvarez
2y ago
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I am very happy to announce that with the new 21.7 RU for Oracle Database released today (Doc ID 2796590.1), a new functionality for Data Guard is out! Data Guard per Pluggable Database, or DGPDB for short, fully enables multi-tenancy at high availability level.
Ludovico Caldara is talking about this new functionality in an official post here. Furthermore, I will show an example of this new functionality in action in this post.
Preparing both CDBs for DGPDB
First, at both CDBs (Primar ..read more
OracleMAA By Francisco Munoz Alvarez
2y ago
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What is redo?
Let’s look briefly at the redo process. When Oracle blocks (the smallest unit of storage in a database) are changed, including UNDO blocks, Oracle records the changes in vector changes, which are referred to as redo entries or redo records. The changes are written by the server process to the redo log buffer in the System Global Area (SGA). The redo log buffer will then be flushed into the online redo logs in near real-time by the log writer (LGWR) process (if the re ..read more