rollback planning

Converting RDMs to VMDKs: A Practical Migration Pattern for Legacy Workloads

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Raw Device Mappings tend to show up in the places where infrastructure history is still attached to the workload. A database server was moved from physical hardware years ago. A file server needed a very large LUN before VMDK limits improved. A clustered application depended on shared storage. A storage team wanted array-level tooling to … Read more

DVS Upgrade Guardrails: What Can Break When Old Distributed Switches Move Forward

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A vSphere Distributed Switch upgrade can look deceptively simple in the vCenter UI. Select the switch, choose the target version, confirm the warning, and move on. That is not how it should be treated in a brownfield environment. The risk is not that a DVS upgrade is always dangerous. The risk is that old distributed … Read more