Chapter 15: Disaster Recovery

1. The main difference between DR and BC is that DR focuses on getting the infrastructure up and running following an outage, whereas BC covers keeping the business scenarios running during a major incident.
2. The etcd cluster is used by the master and persistent volumes are used by Pods.
3. A snapshot is a backup file provided by the v3 API of etcd.
4. Velero can perform etcd snapshots, manage them in external storage, and restore if needed. Additionally, it can be used for performing backups of persistent volumes using Restic integration. Etcd-operator is used for provisioning of multiple etcd clusters on top of Kubernetes. You can easily manage the etcd clusters and perform backup-restore operations. Use this approach if you plan to manage multiple Kubernetes clusters in your environment.
5. Access all Kubernetes master nodes and, on all machines, perform...