If you manage Azure Local clusters (or any Windows Failover Cluster with Hyper-V and Cluster Shared Volumes), you’ve probably noticed that CSV ownership doesn’t always stay perfectly balanced after maintenance, patching, or node reboots. One node can end up owning multiple volumes while others sit idle. This creates unnecessary I/O coordination overhead and can quietly […]
Category: Clustering
Stretched Cluster Planned Failover Demo
What’s all this about then? Ever wondered what a planned failover looks like in a stretched cluster on Azure Stack HCI?Wonder no more as I’ve created a little video to show the process. A bit of detail about the environment: I built an 8-Node nested Stretched Cluster running Azure Stack HCI 22H2 in a L3 […]
New Cluster Parameters for Live Migration
In September’s Cumulative Update (KB5017316), which was released on 13th September 2022, Microsoft included some new Cluster Parameters related to Live Migration. This is an important change you should be aware of as, by default, it’ll set the number of concurrent live migrations to 1 and set a bandwidth limit for live migration to 25% […]