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opvizor
opvizor is SaaS company that specializes in solutions for virtualization and cloud computing. These solutions help businesses automate and manage their virtual IT infrastructures within heterogeneous data processing centers, as well as solutions for the prevention of errors and failures. opvizor’s offices are located in Vienna, Austria and Houston, TX, USA. Dennis Zimmer is founder and CEO of the opvizor group.

VMware Virtual Machine Performance Heatmap

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We received a request for a Performance Analyzer heatmap dashboard that allows drilldown showing critical virtual machine highlights. Thanks to our highly flexible platform that is build on Grafana, we could prepare the dashboard within an hour and the customer had it up and running the next minute. That´s not it – when we prepare a […]

Opvizor Performance Analyzer for vSAN

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We are very proud to share some of our communities opinions about our Performance Analyzer. Please scroll down for Duncan Epping’s blog post as well as Brandon Lee’s blog post and their opinion about Performance Analyzer and vSAN. We also wanted to thank Duncan and Brandon for these interesting articles and their thorough testing! Here […]

Introducing VMware Kubernetes Engine (VKE)

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Today, we are excited to announce the public beta of VMware Kubernetes Engine, a Kubernetes-as-a-Service offering that is the latest addition to our VMware Cloud Services portfolio. If you are not familiar with VMware Cloud Services, it is a portfolio of SaaS-based offerings designed to help with operations across clouds. All services within the portfolio […]

VMware vSAN: Hybrid vs. All Flash

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We would like to continue our vSAN series with Mayur Parmar’s very helpful blog posts. Please find the complete article from Mayur here and scroll down for some more information. VMware vSAN is a software defined storage solution from VMware to eliminate the need of the additional storage boxes using the local server storage. In […]

How to configure iSCSI target on vSAN

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How to configure iSCSI target on vSAN We want to share some important information about configuring an iSCSI target on vSAN. Mayur Parmar wrote in interesting article you can find here. Please scroll down for the single steps and click on the link for the complete article. http://masteringvmware.com/how-to-configure-iscsi-target-on-vsan/ Let’s see how to configure iSCSI Target […]

VMware vSAN: What is VMware vSAN?

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What is vSAN?VMware vSAN is a software defined storage solution from VMware to eliminate the need of the additional storage boxes using the local server storage. In simple words – vSAN abstracts the local storage of ESXi hosts and makes a pool of it to be used as a shared storage which is very much […]

Opvizor Performance Analyzer – VMware Horizon View Performance

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Since we started the Performance Analyzer development some years ago, it was always important that our customers cannot just monitor and analyze the VMware vSphere performance, but also checking the applications and the underlying hardware. The integration of VMware Horizon View Performance is another step into that direction to monitor the virtual desktop performance from […]

VMware vCenter Appliance (VCSA) root Partition Full

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What a mess! VCSA cannot be updated anymore or is stuck because of a full root Partition. Luckily there are straightforward procedures to investigate what files are filling the root partition and how to get rid of them. Typical symptoms? ISO staging of the update fails vCSA update fails at step #/# some vCSA services […]

VMware vSphere  – Why checking NUMA Configuration is so important!

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Non-uniform memory access (NUMA) is a computer memory design used in multiprocessing, where the memory access time depends on the memory location relative to the processor. Under NUMA, a processor can access its own local memory faster than non-local memory (memory local to another processor or memory shared between processors). The benefits of NUMA are limited […]

Virtual Machine vCPU and vNUMA Rightsizing – Rules of Thumb

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Using virtualization, we have all enjoyed the flexibility to quickly create virtual machines with various virtual CPU (vCPU) configurations for a diverse set of workloads.  But as we virtualize larger and more demanding workloads, like databases, on top of the latest generations of processors with up to 24 cores, special care must be taken in […]

upcoming Dashboards for Intel Spectre and Meltdown on VMware vSphere

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It´s definitely hard to ignore the discussions about Intel Spectre and Meltdown and all the different ways to (try to) fix it. Unfortunately, it seems like a never-ending story at this time and patches are published, taken back aso. Furthermore, Intel cannot really fix the issue without performance impacts and possible instability. We´re working hard […]

New Starter Dashboard for VMware vSphere Troubleshooting

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The issue with troubleshooting is, that it is simply not preventive. You can only search for issues and fix them, when you are aware of them. Of  course there is a lot of hype around predictive analysis, but we are not there yet, that you can really predict bad performance problems. It is more about […]

Detect Cryptocurrency Miner using Performance Analyzer

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Did you ever wonder about misuse of your VMware environment for the purpose of mining crypt currencies? As there is real money to be made mining Bitcoin, Ethereum, Monero and co. especially when using energy one doesn´t need to pay for – some users might be tempted. Exactly that happened to a customer of us […]

Decoupling of Cores per Socket from Virtual NUMA Topology in VMware vSphere 6.5

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There are some pretty interesting and helpful blog posts available at the moment and we would like to share some information regarding our new release of Performance Analyzer. You can find here an interesting post from Frank Denneman or just scroll down for more information. Some changes are made in ESXi 6.5 with regards to sizing […]

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