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vSphere 7 – Storage vMotion Improvements

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The vMotion feature is heavily updated in vSphere 7, resulting in faster live-migrations while drastically lowering the guest performance impact during the vMotion process together with a far more efficient way of switching over the virtual machine (VM) between the source and destination ESXi host. vSphere 7 also introduces improvements for the Fast Suspend and Read more...
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vSphere 7 – vMotion Enhancements

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The vSphere vMotion feature enables customers to live-migrate workloads from source to destination ESXi hosts. Over time, we have developed vMotion to support new technologies. The vSphere 7 release is no exception to that, as we greatly improved the vMotion feature. The vMotion enhancements in vSphere 7 include a reduced performance impact during the live-migration Read more...
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Introducing vSphere 7: Features & Technology for the Hybrid Cloud

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On March 10th, 2020 VMware announced vSphere 7 and I’m very excited to finally be able to describe why it is truly technology for the hybrid cloud! If you haven’t already read through Krish Prasad’s launch post that provides an overview of vSphere 7, I would recommend starting there. Then continue below where I’ll unpack Read more...

Hot and Cold Migrations; Which Network is Used?

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A common question arises when customers are migrating workloads between ESXi hosts, clusters, vCenter Servers or data centers. What network is being used when a hot or cold migration is initiated? This blog post explains the difference between the various services and networks stacks in ESXi, and which one is used for a specific type Read more...

Troubleshooting vMotion

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In previous blog posts, we looked into the vMotion process (The vMotion Process Under the Hood) and how to utilize high bandwidth networks to lower live-migration times (How to Tune vMotion for Lower Migration Times?). This blog post is dedicated to gaining more knowledge on what to do when troubleshooting vMotion if a live-migration is Read more...

How to Tune vMotion for Lower Migration Times?

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In an earlier blog post, The vMotion Process Under the Hood, we went over the vMotion process internals. Now that we understand how vMotion works, lets go over some of the options we have today to lower migration times even further. When enabled, by default, vMotion works beautifully. However, with high bandwidth networks quickly becoming Read more...

The vMotion Process Under the Hood

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The VMware vSphere vMotion feature is one of the most important capabilities in today’s virtual infrastructures. Since its inception in 2002 and the release in 2003, it allows us to migrate the active state of virtual machines from one physical ESXi host to another. Today, the ability to seamlessly migrate virtual machines is an integral part Read more...

Enhanced vMotion Compatibility (EVC) Explained

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vSphere Enhanced vMotion Compatibility (EVC) ensures that workloads can be live migrated, using vMotion, between ESXi hosts in a cluster that are running different CPU generations. The general recommendation is to have EVC enabled as it will help you in the future where you’ll be scaling your clusters with new hosts that might contain new CPU models. Read more...