Data resilience and infrastructure design for the modern datacenter

AHV

Nutanix Cluster Design Fundamentals on AOS 7.3

Every design decision you will make about a Nutanix cluster, from networking and storage to mobility and resilience, traces back to a small set of structural facts about

By Eric Black · 1 Jun 2026 Proxmox

HA and Multi Site Design on Proxmox VE 9.1

Article 12 and the final article in the Proxmox VE Cluster Design Fundamentals for v9.1 series. This article covers HA and multi site design: the ha-manager architecture,

By Eric Black · 30 May 2026 Proxmox

VM and Container Design Choices on Proxmox VE 9.1

Article 11 in the Proxmox VE Cluster Design Fundamentals for v9.1 series. PVCD-10 covered capacity planning and lifecycle. This article covers VM and container design choices: KVM

By Eric Black · 29 May 2026 Proxmox

Capacity Planning and Cluster Lifecycle on Proxmox VE 9.1

Article 10 in the Proxmox VE Cluster Design Fundamentals for v9.1 series. PVCD-09 covered monitoring. This article covers capacity planning and cluster lifecycle: how much headroom you

By Eric Black · 28 May 2026 Proxmox

Monitoring and Observability on Proxmox VE 9.1

Article 9 in the Proxmox VE Cluster Design Fundamentals for v9.1 series. PVCD-08 covered backup with Proxmox Backup Server. This article covers monitoring and observability: pvestatd as

By Eric Black · 26 May 2026 Proxmox

Backup with Proxmox Backup Server: Architecture, Operational Design, and Ransomware Resistance

Article 8 in the Proxmox VE Cluster Design Fundamentals for v9.1 series. PVCD-07 covered who can access the cluster. This article covers what happens when something gets

By Eric Black · 25 May 2026 Proxmox

Security and Identity on Proxmox VE 9.1

Article 7 in the Proxmox VE Cluster Design Fundamentals for v9.1 series. PVCD-06 covered patching the cluster. This article covers who can log in and what they

By Eric Black · 22 May 2026 Proxmox

Patching and Cluster Updates on Proxmox VE 9.1

Article 6 in the Proxmox VE Cluster Design Fundamentals for v9.1 series. PVCD-05 covered VM mobility within the cluster. This article covers the apt repository options (no

By Eric Black · 20 May 2026 Proxmox

Live Migration, Storage Migration, and ZFS Replication on Proxmox VE 9.1

Article 5 in the Proxmox VE Cluster Design Fundamentals for v9.1 series. Live migration, storage migration, and ZFS replication are three different operational tools for VM mobility.

By Eric Black · 19 May 2026 Proxmox

Ceph for Proxmox: OSDs, MONs, MGRs, CRUSH, Placement Groups, and the Network Reality

Article 4 in the Proxmox VE Cluster Design Fundamentals for v9.1 series. Ceph is its own architecture inside Proxmox, deep enough that PVCD-03 only introduced the storage

By Eric Black · 17 May 2026 Proxmox

Proxmox Storage Architecture: ZFS, Ceph, LVM-thin, NFS, iSCSI, and Snapshots as Volume Chains

Article 3 in the Proxmox VE Cluster Design Fundamentals for v9.1 series. PVCD-01 covered the cluster control plane; PVCD-02 covered the network. This article covers the storage

By Eric Black · 15 May 2026 Proxmox

Proxmox Cluster Networking: Linux Bridge, OVS, SDN, and the Corosync Rule

Article 2 in the Proxmox VE Cluster Design Fundamentals for v9.1 series. PVCD-01 introduced Corosync, pmxcfs, and the requirement that Corosync runs on a low latency dedicated

By Eric Black · 12 May 2026