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Announcing Flatcar Linux Support on vSphere

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We are excited to share the news that Flatcar Container Linux by Kinvolk is now officially supported on vSphere. Flatcar Container Linux  is a popular container OS and the perfect drop-in replacement to CoreOS Container Linux. CoreOS Container Linux will be end-of-life on May 26, 2020, so users who want to receive ongoing maintenance and Read more...
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vSphere 7 – Lifecycle Management

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We greatly improved lifecycle management in vSphere 7. The new innovations for lifecycle management in vSphere 7 make it easy for customers to have consistent and up-to-date systems. The major lifecycle management improvements in vSphere 7 are vCenter Server Profiles, Update Planner and vSphere Lifecycle Manager (vLCM). vCenter Profiles is way to ensure configuration and Read more...
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vSphere 7 – Assignable Hardware

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A wide variety of modern workloads greatly benefit from using hardware accelerators to offload certain capabilities, save CPU cycles, and gain a lot of performance in general. Think about the telco industry for example: Network Function Virtualization (NFV) platforms utilizing NICs and FPGAs. Or customers that use GPUs for graphic acceleration in their Virtual Desktop Read more...
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vSphere 7 – Improved DRS

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The first release of Distributed Resource Scheduling (DRS) dates back to 2006. Since then, data centers and workloads have changed significantly. The new vSphere 7 release is shipped with DRS enhancements to better support modern workloads by using an improved DRS logic and new accompanying UI in the vSphere Client. The enhanced DRS logic is 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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How is Virtual Memory Translated to Physical Memory?

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Memory is one of the most important host resources. For workloads to access global system memory, we need to make sure virtual memory addresses are mapped to the physical addresses. There are several components working together to perform these translations as efficient as possible. This blog post will cover the basics on how virtual memory Read more...
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vSphere Support for Intel FPGA

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Since VMware vSphere 6.7 Update 1, VMware expanded its array of supported hardware accelerators by introducing support for the Intel® Arria® 10 GX Field Programmable Gate Array (FPGA) devices. This blog post zooms in on what an FPGA is, what the generic FPGA architecture looks like and how to expose an Intel® Arria® 10 GX 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...