Hyper-V

Capacity Planning and Cluster Lifecycle for Hyper-V on Windows Server 2025

Article 9 in the Hyper-V Cluster Design Fundamentals for Windows Server 2025 series. This article covers capacity planning and cluster lifecycle: the actual Hyper-V scale limits

By Eric Black · 6 May 2026 Hyper-V

Cluster Monitoring and Observability for Hyper-V on Windows Server 2025

Article 8 in the Hyper-V Cluster Design Fundamentals for Windows Server 2025 series. This article covers cluster monitoring and observability: the host, cluster, and VM metrics that

By Eric Black · 5 May 2026 Hyper-V

Backup and DR for Hyper-V Clusters on Windows Server 2025

Article 7 in the Hyper-V Cluster Design Fundamentals for Windows Server 2025 series. This article covers backup and disaster recovery: host level versus guest level backup, RCT

By Eric Black · 4 May 2026 Hyper-V

Security and Identity for Hyper-V Clusters on Windows Server 2025

Article 6 in the Hyper-V Cluster Design Fundamentals for Windows Server 2025 series. This article covers security and identity: what Credential Guard and VBS being on by

By Eric Black · 2 May 2026 Windows2025

Cluster Aware Updating and Patch Strategy for Hyper-V on Windows Server 2025

Article 5 in the Hyper-V Cluster Design Fundamentals for Windows Server 2025 series. This article covers patching strategy: Cluster Aware Updating, hotpatching via Azure Arc, and the

By Eric Black · 30 Apr 2026 Hyper-V

Live Migration Internals and Tuning for Hyper-V on Windows Server 2025

Article 4 in the Hyper-V Cluster Design Fundamentals for Windows Server 2025 series. Articles 1 through 3 covered cluster sizing, networking, and storage. This article covers live

By Eric Black · 30 Apr 2026 Hyper-V

Storage Architecture for Hyper-V on Windows Server 2025: SAN, S2D, SOFS, and Campus Cluster

Article 3 in the Hyper-V Cluster Design Fundamentals for Windows Server 2025 series. Article 1 covered the design pillars. Article 2 covered networking. This article covers storage

By Eric Black · 28 Apr 2026 Hyper-V

Cluster Networking for Hyper-V on Windows Server 2025

Article 2 in the Hyper-V Cluster Design Fundamentals for Windows Server 2025 series. Article 1 covered sizing, CSV, quorum, and fault domains, and explicitly punted on networking.

By Eric Black · 26 Apr 2026 Hyper-V

Hyper-V Cluster Design Fundamentals for v2025: CSVs, Quorum, Fault Domains, and the Sizing Decisions That Bite Later

This is the first article in a new series on Hyper-V cluster design for Windows Server 2025. The goal of the series: give infrastructure engineers a practical

By Eric Black · 24 Apr 2026 Veeam

Break Glass #10: Backup Chain Corruption: Recovering a Broken Forward Incremental Chain in Veeam v13

Break Glass // Scenario 10 A restore fails with "Backup files are unavailable." Or a job reports that restore points are missing in the chain. Or the

By Eric Black · 22 Apr 2026 Veeam

Break Glass #09: ReFS and XFS Block Clone Failures: Diagnosing and Fixing Fast Clone Errors in Veeam v13

Break Glass // Scenario 09 Synthetic full backup jobs are failing or running slower than they should. The session log shows errors related to ReFS integrity streams or XFS

By Eric Black · 22 Apr 2026 Veeam

Break Glass #08: Repository Out of Space Mid-Job: Recovering and Getting Backups Running Again

Break Glass // Scenario 08 The repository ran out of space while a job was running. Backup jobs are failing. Some jobs got partway through a write before they

By Eric Black · 21 Apr 2026