What’s ODABR snapshot & how to efficiently use it to patch ODA from 18 to 19.x

by CloudDudeUncategorizedPosted on Comments are Disabled

Intro Although most of the focus, nowadays, has shifted to migration of on-premises workloads into the Cloud, companies still leverage Oracle databases engineered systems like Oracle database appliance to run their databases on-prem. As a matter of fact ,ODA is a low entry pricing and flexible CPU licensing platform that can still host workloads that …

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ExaC@C DB state failed in OCI console while up & running in reality (fix)

by CloudDudeUncategorizedPosted on Comments are Disabled

Intro Exadata Cloud@Customer has the particularity of bringing the best of both worlds, where on-premises Data sovereignty meets the innovation & capabilities of the Cloud. Thanks to Control plane network that links up both ExaCC servers and OCI, users can create/manage resources through the Console or any API based cloud tooling (terraform,OCI-CLI, SDK..). Everything you …

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Top picks for Cloud Native & DB sessions at Oracle Cloud World ’22

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  Blabla free post: This is just some of my (personal) top Oracle sessions I will have the chance to attend Next Week. Some of you may agree that there is no way to make a list that fits everyone but for those who are into OCI and database migrations/upgrades this list might help, especially …

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ZDM troubleshooting part 3: Migration failing at ZDM_SWITCHOVER_SRC/ hack

by CloudDudeUncategorizedPosted on Comments are Disabled

Intro This is the last of my troubleshooting series related to ZDM where I have accidentally become an unofficial QA tester for ZDM :). After describing scenarios in previous posts where ZDM service was crashing or DG configuration was failing. I will, in this article, explain why my broker switchover step failed the online physical …

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ZDM troubleshooting part 2: Migration failing at ZDM_CONFIGURE_DG_SRC

by CloudDudeUncategorizedPosted on Comments are Disabled

Intro I didn’t anticipate to have a series of posts around ZDM, but I had few issues that were worth sharing so here I am. This post will describe what caused a failure of an online physical migration ExaCC right at the Data guard configuration phase. The good thing about ZDM, is as soon as …

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ZDM troubleshooting part 1: VM causes ZDM service to crash (plus fix)

by CloudDudeUncategorizedPosted on Comments are Disabled

Intro Zero downtime migration (ZDM) is the ultimate solution to migrate your Oracle database to Oracle Cloud. I recently started using it quite a lot during  On-Prem to Exadata at Customer migrations. In my last blog post, I already shared tips about a ZDM installation error related to MySQL. This time, I’ll describe why my …

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Terraform live cost estimate using infracost free plugin

by CloudDudeUncategorizedPosted on Comments are Disabled

Intro The cloud offers unlimited scalability at lower costs with the available resources. Companies enable their engineering teams to launch infrastructure as and when needed. However, since costs aren’t shown to engineers before Cloud resources are deployed, the real cost implications are unknown. That causes higher than expected costs and ballooning budgets over time, which …

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Explore Alibaba Cloud part 2: AliCloud CLI installation and few examples

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Cloud CLI tools are the Most direct and simple way to interact with a new Cloud platform, It is the perfect tool for executing simple and repeatable tasks which you don’t need to keep track off. Alibaba Cloud CLI tool which also manages Cloud resources (or stacks) is no exception. In this blog post, we …

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ZDM installation error in Oracle Linux 8 (Failed to initialize MySQL) & how to fix it

by CloudDudeUncategorizedPosted on Comments are Disabled

Intro Zero downtime migration (ZDM) is one of the best option available to migrate your Oracle database to Oracle Cloud. Automation and simplicity are among its strong benefits beside zero downtime feature. Although migrating in OCI is the classic use case(see Oracle migration & integration specialist certification), I had the chance to try a different …

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Explore Alibaba Cloud part 1: Intro to Alibaba Cloud

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Intro I always believed in the horizontal approach to learn the cloud rather than the vertical method. I’m just convinced there is more to learn when you open your perspectives, even if you lose the ability to narrow your expertise on one platform. That’s a little price to pay if you want to broaden your …

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