Identify the need for Flash mode/AHV Turbo for VM storage or performance tuning

What is Flash Mode? Flash Mode is a feature that will guarantee an entire virtual machine (VM) virtual disk or a portion of a VM virtual disk always resides in the hot tier. VM Flash Mode is also referred to as VM/vDisk Pinning Up to 25% of the SSD tier of the entire cluster can be reserved…

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Manage Acropolis containers

DSF Content: nfs_ls Utility Acropolis uses iSCSI and NFS for storing VM files. Since you want to be able to see what was uploaded to the container, you can check from any of the controller VMs the container content using the nfs_ls utility to list NFS servers, exports or directories. List contents of one container:…

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Unofficial Nutanix NCAP Study Guide

After completing the NCP, the NCAP was the next goal on my list. I began to prepare for this in a similar fashion to how I did with the NCP. The first step was of course, to download the Exam Blueprint. As with the NCP guide, a big credit again goes to Steven Poitras, and…

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Check VMware Tools Status

I wanted to perform a mass graceful shutdown of VM’s as part of an orchestrated lift-and-shift effort. When I started my preparation work, which mainly consisted of me testing scripts in my lab environment, it dawned on me that not all of my Production VM’s have VMware Tools installed. So how can I go about…

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Automate Advanced Settings with ESXCLI

After my last post about NFS Performance decreasing after host reboots, I was tasked with implementing the workaround across our infrastructure. My two options are click through the GUI until my fingers bleed or automate. As you can assume by this post, we’re most definitely going with the latter. And we all know the best…

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Adding a KVM Host to NSX-T Fabric

I’ve been a big fan of NSX, having been a user of it going back to 6.2. Naturally, I was very excited when NSX-T was announced and was very anxious to get it stood up in my lab. After procrastinating long enough, I finally got NSX-T setup and configured. One of the first things I…

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KVM Domain Installation Still in Progress

When deploying a virtual machine via KVM on the command line, you may notice that it stops at “Domain installation still in progress. Waiting for installation to complete.” You go and refill the coffee, come back, and it’s still there. Something must be wrong. Think of this as you just booted a VM with a…

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vSAN Issue After 6.7 Update 3

We embarked on patching all of our hosts to 6.7 Update 3, which included our vSAN clusters. The first vSAN cluster to get the update is our four-node management cluster. After patching two hosts to 6.7 Update 3 (build 14320388), we noticed several vSAN alarms. At first I thought this was something similar to my…

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