https://clustertriage.com/en/blog/ Notes from Windows Failover Cluster and Hyper-V assessments by ClusterTriage. en Fri, 02 Oct 2026 09:53:55 +0000 https://clustertriage.com/en/blog/one-incident-two-reports-azure-local-rca/ https://clustertriage.com/en/blog/one-incident-two-reports-azure-local-rca/ Fri, 02 Oct 2026 08:00:00 +0000 A live kernel dump froze a node of a two-node Azure Local lab cluster for 52 seconds and the cluster removed it. How the root cause analysis was built from evidence, and why the same event deserves a technical report and a plain-language one. https://clustertriage.com/en/blog/san-vs-s2d-vs-azure-local-hyper-v-storage/ https://clustertriage.com/en/blog/san-vs-s2d-vs-azure-local-hyper-v-storage/ Sun, 27 Sep 2026 08:00:00 +0000 A no-nonsense 2026 comparison of Hyper-V storage: SAN, Storage Spaces Direct and Azure Local, now that Azure Local runs on SAN too. Fit, cost, performance, and migration paths. https://clustertriage.com/en/blog/cluster-aware-updating-runbook-audit-trail/ https://clustertriage.com/en/blog/cluster-aware-updating-runbook-audit-trail/ Sun, 27 Sep 2026 08:00:00 +0000 CAU governance for Hyper-V clusters: self-updating vs remote, the 8-section runbook template, audit-trail scripts, and pre/post-update tasks. https://clustertriage.com/en/blog/rdp-regression-n-minus-1-patch-strategy/ https://clustertriage.com/en/blog/rdp-regression-n-minus-1-patch-strategy/ Tue, 15 Sep 2026 08:00:00 +0000 What the September 2026 Cumulative Update fixed, the RDS/RDP regression it caused on Server 2019/2022/2025, how Microsoft responded, and whether N-1 patching is the right default. https://clustertriage.com/en/blog/windows-server-2025-hyper-v-cluster-features/ https://clustertriage.com/en/blog/windows-server-2025-hyper-v-cluster-features/ Wed, 22 Jul 2026 08:00:00 +0000 The four Windows Server 2025 Hyper-V features that matter for cluster operators: Dynamic CPU compatibility, GPU-P, vTPM 2.0 default, and hot-patching. https://clustertriage.com/en/blog/azure-local-vs-classic-hyper-v-cluster/ https://clustertriage.com/en/blog/azure-local-vs-classic-hyper-v-cluster/ Thu, 25 Jun 2026 08:00:00 +0000 Azure Stack HCI is gone, folded into Azure Local with Arc still mandatory. When a classic Hyper-V failover cluster beats Azure Local, and when it does not. https://clustertriage.com/en/blog/csv-ownership-imbalance/ https://clustertriage.com/en/blog/csv-ownership-imbalance/ Tue, 23 Jun 2026 08:00:00 +0000 Why Cluster Shared Volume ownership drifts after patching or failover, the measured performance impact on Hyper-V workloads, and how to keep CSVs balanced. https://clustertriage.com/en/blog/reporting-remediation-progress/ https://clustertriage.com/en/blog/reporting-remediation-progress/ Thu, 18 Jun 2026 08:00:00 +0000 How ClusterTriage reports Hyper-V cluster remediation progress across measurement rounds: a delta report, a remaining-risk document, and a risk trend chart. https://clustertriage.com/en/blog/aligning-vms-with-storage/ https://clustertriage.com/en/blog/aligning-vms-with-storage/ Thu, 18 Jun 2026 08:00:00 +0000 How ClusterTriage grew Darryl van der Peijl's align-VMs-with-storage script into a site-aware, CSV-ownership-first VM placement balancer for Hyper-V clusters. https://clustertriage.com/en/blog/health-check-to-patch-night/ https://clustertriage.com/en/blog/health-check-to-patch-night/ Fri, 12 Jun 2026 08:00:00 +0000 A worked example of the five-step ClusterTriage Method: how a multi-site Hyper-V cluster went from twelve High Risk findings to a clean, uneventful patch night. https://clustertriage.com/en/blog/azure-local-documented-flaws-exit-strategy/ https://clustertriage.com/en/blog/azure-local-documented-flaws-exit-strategy/ Thu, 11 Jun 2026 08:00:00 +0000 Azure Local's flaws are in Microsoft's own release notes: fragile updates, the Arc dependency, a disconnected mode that underdelivers. Plan your exit. https://clustertriage.com/en/blog/secure-boot-2023-certificates-hyper-v-gen2-vms/ https://clustertriage.com/en/blog/secure-boot-2023-certificates-hyper-v-gen2-vms/ Fri, 05 Jun 2026 08:00:00 +0000 The 2011 Secure Boot certificates expire from June 2026. On Gen 2 VMs the 2023 update often fails silently: diagnose the KEK 1795 trap and remediate. https://clustertriage.com/en/blog/azure-local-migration-readiness/ https://clustertriage.com/en/blog/azure-local-migration-readiness/ Mon, 01 Jun 2026 08:00:00 +0000 The 2026 Azure Local migration readiness checklist: hardware compatibility, RDMA networking, Entra ID, licensing, the operational shift, and the gotchas. https://clustertriage.com/en/blog/hyper-v-time-drift-kerberos-csv/ https://clustertriage.com/en/blog/hyper-v-time-drift-kerberos-csv/ Thu, 28 May 2026 08:00:00 +0000 Why clock skew between Hyper-V nodes breaks Kerberos, cluster heartbeats and Live Migration, plus the w32time hierarchy and a drift remediation playbook. https://clustertriage.com/en/blog/cluster-witness-comparison/ https://clustertriage.com/en/blog/cluster-witness-comparison/ Sun, 24 May 2026 08:00:00 +0000 File Share vs Cloud vs Disk Witness compared in production terms: failure modes, topology fit, and the five config mistakes that quietly remove resilience. https://clustertriage.com/en/blog/live-migration-wrong-network/ https://clustertriage.com/en/blog/live-migration-wrong-network/ Sun, 17 May 2026 08:00:00 +0000 Why Hyper-V Live Migration quietly uses the wrong network, the three configuration layers involved, and the PowerShell to verify the path and lock it down. https://clustertriage.com/en/blog/vmware-to-hyper-v-migration-assessment/ https://clustertriage.com/en/blog/vmware-to-hyper-v-migration-assessment/ Fri, 15 May 2026 08:00:00 +0000 The 6-step ClusterTriage pre-migration assessment for VMware to Hyper-V in 2026: capacity, network parity, CSV design, guest readiness, backup/DR, and cutover. https://clustertriage.com/en/blog/top-10-hyper-v-cluster-issues/ https://clustertriage.com/en/blog/top-10-hyper-v-cluster-issues/ Fri, 15 May 2026 08:00:00 +0000 Ten findings that keep recurring in ClusterTriage Hyper-V cluster assessments: Live Migration networks, witness gaps, CSV imbalance, and firmware drift.