Data resilience and infrastructure design for the modern datacenter

AHV

Storage Architecture and the Distributed Storage Fabric

NCD-03 in the Nutanix Cluster Design Fundamentals series, baselined to AOS 7.3, AHV 10.3, and Prism Central 7.3. This article takes apart the Distributed

By Eric Black · 15 Jun 2026 Nutanix

Cluster Networking on AHV: OVS, Virtual Switches, and Uplink Design

AHV networking looks deceptively simple in Prism. Behind the few clicks sits Open vSwitch on every host, a cluster wide virtual switch that demands identical configuration on each

By Eric Black · 8 Jun 2026 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

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:

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

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

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

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

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

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

By Eric Black · 17 May 2026