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vickyhella
2023-09-08 17:28:15 +08:00
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docs/how-to-guides/new-user-guides/backup-restore-and-disaster-recovery/back-up-restore-usage-guide.md
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@@ -101,7 +101,7 @@ Below are some examples of some **incorrect** uses or expectations of Rancher Ba
### Upgrades
- Using Rancher backups for upgrading Rancher versions is not a valid use case. The recommended procedure is to take a backup of the current version, then upgrade your Rancher instance using [these instructions](../../../getting-started/installation-and-upgrade/install-upgrade-on-a-kubernetes-cluster/upgrades), and then taking **another** backup after the upgrade is complete. This way if the upgrade fails you have a backup to restore to, and the second backup will be valid to restore to the upgraded Rancher version.
- Using Rancher backups for upgrading Rancher versions is not a valid use case. The recommended procedure is to take a backup of the current version, then upgrade your Rancher instance using [these instructions](../../../getting-started/installation-and-upgrade/install-upgrade-on-a-kubernetes-cluster/upgrades.md), and then taking **another** backup after the upgrade is complete. This way if the upgrade fails you have a backup to restore to, and the second backup will be valid to restore to the upgraded Rancher version.
- Using Rancher backups for upgrading Kubernetes versions is not a valid use case either. Because the Kubernetes API and available resources are tied to the version, upgrading using backup restore can lead to issues with misaligned sets of resources which may be deprecated, unsupported, or updated. How to upgrade your cluster version will depend on how it was provisioned however the same format as above is recommended (backup, upgrade, backup).
### ResourceSet
docs/how-to-guides/new-user-guides/backup-restore-and-disaster-recovery/restore-rancher-launched-kubernetes-clusters-from-backup.md
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@@ -8,7 +8,7 @@ title: Restoring a Cluster from Backup
Etcd backup and recovery for [Rancher launched Kubernetes clusters](../../../pages-for-subheaders/launch-kubernetes-with-rancher.md) can be easily performed. Snapshots of the etcd database are taken and saved either locally onto the etcd nodes or to a S3 compatible target. The advantages of configuring S3 is that if all etcd nodes are lost, your snapshot is saved remotely and can be used to restore the cluster.
Rancher recommends enabling the [ability to set up recurring snapshots of etcd](back-up-rancher-launched-kubernetes-clusters.md#configuring-recurring-snapshots), but [one-time snapshots](back-up-rancher-launched-kubernetes-clusters.md#one-time-snapshots) can easily be taken as well. Rancher allows restore from [saved snapshots](#restoring-a-cluster-from-a-snapshot) or if you don't have any snapshots, you can still [restore etcd](#recovering-etcd-without-a-snapshot).
Rancher recommends enabling the [ability to set up recurring snapshots of etcd](back-up-rancher-launched-kubernetes-clusters.md#configuring-recurring-snapshots), but [one-time snapshots](back-up-rancher-launched-kubernetes-clusters.md#one-time-snapshots) can easily be taken as well. Rancher allows restore from [saved snapshots](#restoring-a-cluster-from-a-snapshot) or if you don't have any snapshots, you can still [restore etcd](#recovering-etcd-without-a-snapshot-rke).
Clusters can also be restored to a prior Kubernetes version and cluster configuration.