ZDM troubleshooting part 3: Migration failing at ZDM_SWITCHOVER_SRC/ hack

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 …

ZDM troubleshooting part 2: Migration failing at ZDM_CONFIGURE_DG_SRC

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 …

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

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 …

Terraform live cost estimate using infracost free plugin

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 …

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

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 …