Update _index.md

Due to customer feedback, they found the steps confusing as they thought that restoring the kubernetes version was an other process that was not documented here.
This commit is contained in:
mbookham7
2020-09-18 10:39:24 -07:00
committed by Catherine Luse
parent 55d29ed6e7
commit 9844eb315e
@@ -50,8 +50,7 @@ When upgrading the Kubernetes version of a cluster, we recommend that you:
1. Take a snapshot.
1. Initiate a Kubernetes upgrade.
1. If the upgrade fails, revert the cluster to the pre-upgrade Kubernetes version. Before restoring the cluster from the snapshot in the etcd datastore, the cluster should be running the pre-upgrade Kubernetes version.
1. Restore the cluster from the etcd snapshot.
1. If the upgrade fails, revert the cluster to the pre-upgrade Kubernetes version. This is achieved by selecting the *Restore etcd and Kubernetes version* option. This will return your cluster to the pre-upgrade kubernetes version before restoring the etcd snapshot.
The restore operation will work on a cluster that is not in a healthy or active state.
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@@ -158,4 +157,4 @@ A failed node could be in many different states:
- User drains a node while upgrade is in process, so there are no kubelets on the node
- The upgrade itself failed
If the max unavailable number of nodes is reached during an upgrade, Rancher user clusters will be stuck in updating state and not move forward with upgrading any other control plane nodes. It will continue to evaluate the set of unavailable nodes in case one of the nodes becomes available. If the node cannot be fixed, you must remove the node in order to continue the upgrade.
If the max unavailable number of nodes is reached during an upgrade, Rancher user clusters will be stuck in updating state and not move forward with upgrading any other control plane nodes. It will continue to evaluate the set of unavailable nodes in case one of the nodes becomes available. If the node cannot be fixed, you must remove the node in order to continue the upgrade.