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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.

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 […]

Using esxtop to identify storage performance issues for ESX / ESXi

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VMware published a very helpful article about esxtop and latency statistics that can be found here. We would like to share the information, for comments and feedback please go to the original article. You can also find a YouTube video there. This article provides information about esxtop and latency statistics that can be used when troubleshooting performance issues […]

Intel Design Bug – What about VMware ESXi and VMs?

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By now probably everyone with an internet access who read news in the last couple of days noticed the bad Intel design bug that is affecting millions or even billions of devices, server and client computer. While potential hacker might not be extremely interested spending time to bother personal computer and mobiles, the situation changes […]

Understanding VMware ESXi Queuing and the Flasharray

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So I am in the middle of updating my best practices guide for vSphere on FlashArray and one of the topics I am looking into providing better guidance around is ESXi queue management. This breaks down to a few things: Array volume queue depth limit Datastore queue depth limit Virtual Machine vSCSI Adapter queue depth […]

Opvizor Performance Analyzer VMware Performance Monitoring

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Monitoring your vSphere environment at the cluster, host, or virtual machine level is key in understanding where performance bottlenecks may exist and why production workloads may not be performing adequately. In addition, monitoring certain vSphere metrics can also help to identify hotspots in the environment before potential performance bottlenecks present themselves. We have covered various […]

VMware Tools 10.2.0 enables Virtual Machine vNIC exclusion and priority re-ordering

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Another very good and helpful article from William Lam, please find his complete post incl. comments here and scroll down for more information. VMware Tools 10.2.0 just GA’ed (release notes / download and open-vm-tools release notes / open-vm-tools download) and this release includes a number of new features like an offline bundle for VMware Tools VIB for ESXi and support for […]

Bulk VM Migration using new Cross vCenter vMotion Utility Fling

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Another great article from William Lam about bulk VM migration. You can find the complete article here, there is also a demo video available. We are pleased to share William’s article once more, great job William! Keep it going! Over the last few years, I have spoken to a number of customers who have greatly […]

Opvizor Releases Performance Analyzer Version 4.6!

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We’re thrilled to announce the new release 4.6 of our extremely popular Performance Analyzer product  to run, plan and monitor your virtual environment and much more. As always we spent time on simplifying look & feel, fixed some bugs and added lots of new metrics to extend our dashboards. Enabling HTTPS on your appliance is […]

VMware vCenter (VCSA) and using Let’s Encrypt for SSL Certificates

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We would like to share a very useful blog post from JJ Asghar. You can find JJ’s blog here with all comments or please scroll down. If you are using the VCSA for your vCenter you might have searched around to figure out how to update the certificate from Let’s Encrypt. It seems that throughout my Googling […]

VCSA 6.5 Migration Deployment Sizes Limited!

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Mike Preston wrote a very detailed and interesting blog post about VCSA 6.5 Migration Deployment sizes and we wanted to share this. We are as always very thankful for very helpful posts in the community. Thanks Mike! Recently I finally bit the bullet and decided to bring the vCenter portion of a vSphere environment up […]

Performance of SQL Server 2017 for Linux VMs on VMware vSphere 6.5

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We wanted to share a blog article from VMware’s performance team about Performance of SQL Server 2017 for Linux VMs on vSphere 6.5. Please find here the article or scroll down for more information. Microsoft SQL Server has long been one of the most popular applications for running on vSphere virtual machines.  Last year there […]

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