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Added verbiage to upgrading-cert-manager page

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Jennifer Travinski
2022-03-24 13:31:50 -04:00
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content/rancher/v2.6/en/installation/resources/upgrading-cert-manager/_index.md
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@@ -15,7 +15,7 @@ To address these changes, this guide will do two things:
1. Explain the cert-manager API changes and link to cert-manager's official documentation for migrating your data
> **Important:**
> If you are currently running the cert-manager whose version is older than v0.11, and want to upgrade both Rancher and cert-manager to a newer version, you need to reinstall both of them:
> If you are currently running the cert-manager whose version is 1.5 or below, and want to upgrade both Rancher and cert-manager to a new version (1.6+ in the case of cert-manager), then you need to re-install both Rancher and cert-manager due to the API change in cert-manager 1.6. This will also be necessary if you are upgrading from a version of cert manager below 0.11 to a version of cert-manager above 0.11. Follow the steps below:
> 1. Take a one-time snapshot of your Kubernetes cluster running Rancher server
> 2. Uninstall Rancher, cert-manager, and the CustomResourceDefinition for cert-manager