From 78b9d86e3bbdfde92580c23792779a10b246db5a Mon Sep 17 00:00:00 2001 From: Tejeev Date: Fri, 12 Jun 2020 21:28:58 +0100 Subject: [PATCH] Rewrote some sections to clarify --- .../en/backups/restorations/ha-restoration/_index.md | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) diff --git a/content/rancher/v2.x/en/backups/restorations/ha-restoration/_index.md b/content/rancher/v2.x/en/backups/restorations/ha-restoration/_index.md index 5b8cfd3e0b6..32052f35d7c 100644 --- a/content/rancher/v2.x/en/backups/restorations/ha-restoration/_index.md +++ b/content/rancher/v2.x/en/backups/restorations/ha-restoration/_index.md @@ -6,9 +6,10 @@ aliases: - /rancher/v2.x/en/installation/after-installation/ha-backup-and-restoration/ --- -This procedure describes how to use RKE to restore a snapshot of the Rancher Kubernetes cluster. The cluster snapshot will include Kubernetes configuration and the Rancher database and state. +This procedure describes how to use RKE to restore a snapshot of the Rancher Kubernetes cluster. +This will restore the Kubernetes configuration and the Rancher database and state. -Additionally, the `pki.bundle.tar.gz` file usage is no longer required as v0.2.0 has changed how the [Kubernetes cluster state is stored]({{}}/rke/latest/en/installation/#kubernetes-cluster-state). +RKE v0.2.0 has changed how the [Kubernetes cluster state is stored]({{}}/rke/latest/en/installation/#kubernetes-cluster-state), so `pki.bundle.tar.gz` file usage is no longer required. ## Restore Outline @@ -24,11 +25,11 @@ Additionally, the `pki.bundle.tar.gz` file usage is no longer required as v0.2.0 ### 1. Preparation -You will need [RKE]({{}}/rke/latest/en/installation/) and [kubectl]({{}}/rancher/v2.x/en/faq/kubectl/) CLI utilities installed. +It is advised that you run the restore from your local host or a jump box/bastion where your cluster yaml, rke statefile, and kubeconfig are stored. You will need [RKE]({{}}/rke/latest/en/installation/) and [kubectl]({{}}/rancher/v2.x/en/faq/kubectl/) CLI utilities installed locally. -Prepare by creating 3 new nodes to be the target for the restored Rancher instance. See [Kubernetes Install]({{}}/rancher/v2.x/en/installation/k8s-install/create-nodes-lb/) for node requirements. +Prepare by creating 3 new nodes to be the target for the restored Rancher instance. We recommend that you start with fresh nodes and a clean state. For clarification on the requirements, review the [Installation Requirements](https://rancher.com/docs/rancher/v2.x/en/installation/requirements/). -We recommend that you start with fresh nodes and a clean state. Alternatively you can clear Kubernetes and Rancher configurations from the existing nodes. This will destroy the data on these nodes. See [Node Cleanup]({{}}/rancher/v2.x/en/faq/cleaning-cluster-nodes/) for the procedure. +Alternatively you can re-use the existing nodes after clearing Kubernetes and Rancher configurations. This will destroy the data on these nodes. See [Node Cleanup]({{}}/rancher/v2.x/en/faq/cleaning-cluster-nodes/) for the procedure. > **IMPORTANT:** Before starting the restore make sure all the Kubernetes services on the old cluster nodes are stopped. We recommend powering off the nodes to be sure.