Clustering

vSphere DRS: From Manual to Fully Automated and the Lessons in Between

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Distributed Resource Scheduler (DRS) is vSphere’s automated workload balancing engine. When configured appropriately, it silently keeps your cluster balanced without admin intervention. When misconfigured, it generates a flood of migration recommendations that overwhelm administrators or triggers constant VM movements that impact performance. Here’s how to dial it in. The Three DRS Automation Levels Manual: DRS … Read more

vSphere HA: Configuring It Right for Small Environments

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vSphere High Availability is one of the primary reasons to run VMware over standalone hypervisors. When configured correctly, it automatically restarts VMs on surviving hosts when a host fails — transparently, without requiring administrator action. But “configured correctly” is doing a lot of work in that sentence. What HA Actually Does (and Doesn’t) HA monitors … Read more