关于找回OpenShift v2平台并迁移至OpenShift v3的技术咨询

Hey there, let’s walk through this scenario step by step—you’re not alone in grappling with legacy OpenShift environments!

First, some critical context: Red Hat officially sunset OpenShift Online v2 back in 2017, and the rhcloud.com infrastructure has been fully decommissioned for years. That said, there are still a few avenues you can explore to recover what you need for migration:

• Reach out to Red Hat Support directly: If your team was a paying customer for OpenShift v2, or if you have any remaining account details (original registration email, project names, billing info), submit a support ticket explaining your situation. Red Hat retains some archival records for former customers, and they may be able to help you access backups of your projects or provide guidance on retrieving critical data. Even if you were on the free tier, it’s worth reaching out—sometimes they assist with legacy recovery requests on a case-by-case basis.

• Check internal/local backups: Dig through your team’s shared drives, version control systems (like Git), or individual developer machines. It’s common for teams to have saved code snapshots, deployment configurations, or database dumps from old environments. If you can recover these assets, you can skip trying to retrieve the original rhcloud.com platform entirely and rebuild your application directly on OpenShift v3 (or even better, v4—since v3 is also approaching end-of-life, migrating straight to v4 will save you from another upgrade down the line).

• Audit your DNS records: If you used a custom domain with your OpenShift v2 platform, check your domain’s DNS configuration for any leftover records pointing to rhcloud.com or related Red Hat infrastructure. While these won’t lead you back to the active platform, they might help jog your memory about project names or account details to share with Red Hat Support.

If you can’t recover the original platform, don’t panic—rebuilding from existing code/configurations is often faster and cleaner than trying to migrate a long-decommissioned environment. Just make sure to test your application thoroughly on the target OpenShift version to catch any compatibility gaps.

内容的提问来源于stack exchange，提问作者Rishi Maharaj