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Kubespray periodic backup etcd data - disaster recovery cluster from etcd backups #10

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haminhcong opened this issue Apr 4, 2021 · 0 comments

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haminhcong commented Apr 4, 2021 •

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Which Kubernetes cluster data stored in ETCD
Monitor etcd data backup process and alert when failed to backup K8S data
When recovery, do we need change or keep master IP and Name ?
Persistent Volume Backup & Restore ? https://github.com/vmware-tanzu/velero

Data which need to save and backup periodic from K8S Cluster Provisioned By Kubespray

Inventory File
Node Password Information
Etcd Node Data:
- Etcd backup
- Etcd certificates

Backup And Monitoring Tools

https://github.com/gardener/etcd-backup-restore/blob/master/doc/usage/metrics.md

Possible scenario

Recover etcd cluster from backup data
Recover first master node
Join remaining master nodes
Join remaining worker nodes

Need to search in kubespray slack about this problem and this playbook kubernetes-sigs/kubespray@ac2135e#diff-3bda861e9e89b5053f64df966fe350fcbbe32a3c5f1b977fdb8f004e28c7d47b

References

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