What tools or methods do you use to back up data and cluster configuration?

Data and cluster configuration backups are typically performed using the following tools and methods:

• Automated backup scripts and tools: such as rsync, tar, borgbackup for file systems.
• Snapshots: using file system capabilities or cloud provider features to create disk state snapshots.
• Configuration backup: storing configuration files in version control systems (Git), as well as regularly exporting configurations from cluster systems (e.g., kubectl get all -o yaml).
• Cluster backup tools: such as Velero for Kubernetes, which allow saving the cluster state and data.
• Scheduling and automation: using cron jobs or CI/CD pipelines for regular backup creation.

It is important to store backups in a secure and isolated location, and to regularly verify the restore process from them.