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Update docs/getting-started/installation-and-upgrade/install-upgrade-on-a-kubernetes-cluster/rollbacks.md

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Marty Hernandez Avedon
2023-01-27 11:52:05 -05:00
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docs/getting-started/installation-and-upgrade/install-upgrade-on-a-kubernetes-cluster/rollbacks.md
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## Additional Steps for Rollbacks with Rancher v2.6.4+
Rancher v2.6.4 upgrades the cluster-api module from v0.4.4 to v1.0.2. Version v1.0.2 of the cluster-api, in turn, upgrades the CAPI CRDs apiVersion from `cluster.x-k8s.io/v1alpha4` to `cluster.x-k8s.io/v1beta1`. The CAPI CRDs upgrade to v1beta1 causes rollbacks to fail when you attempt to move from Rancher v2.6.4 to any previous version of Rancher v2.6.x. This is because v1beta1 is missing the previous versions that the CRDs need to roll back.
Rancher v2.6.4 upgrades the cluster-api module from v0.4.4 to v1.0.2. Version v1.0.2 of the cluster-api, in turn, upgrades the Cluster API's Custom Resource Definitions (CRDs) from `cluster.x-k8s.io/v1alpha4` to `cluster.x-k8s.io/v1beta1`. The CRDs upgrade to v1beta1 causes rollbacks to fail when you attempt to move from Rancher v2.6.4 to any previous version of Rancher v2.6.x. This is because CRDs that use the older apiVersion (v1alpha4) are incompatible with v1beta1.
To avoid rollback failure, the following Rancher scripts should be run **before** you attempt a restore operation or rollback: