Category Archive: VMware

Sep 25

Some VCAP 6.5 DCV Design Exam Study Notes

A couple weeks ago I sat and passed the VCAP 6.5 Datacenter Design Exam. It was a good but tough exam. The VCAP 6.5 Design exam is a bit different from past VCAP Design Exams – there are no Visio type questions. Just multiple choice and “drag and drop” questions.

Sep 24

VMware Free Self-paced eLearning

Some free elearning resources for my ITN classes (and for everyone) – here are some great free self-paced elearning for vSphere 6 and vSphere 6.5.

Aug 14

Recreating a vmdk descriptor file with vmkfstools

A VMware virtual machine disk is made up of two files: the .vmdk file and the -flat.vmdk file. The .vmdk file is the descriptor file and the -flat.vmdk file contains the data.

Jul 17

Jumbo Frames – Make sure it is setup end-to-end.

Jumbo Frames must be configured correctly end-to-end. This means on the vSwitch, vmkernel interfaces, physical switches, and endpoints. The vmkping command can be used to test a vmkernel interface for proper configuration of Jumbo Frames.

Jun 20

New Book – VMware vSphere 6.5 Host Resources Deep Dive

Just ordered a copy of Host Resources Deep Dive. The VMware vSphere 6.5 Host Resources Deep Dive is a guide to building consistent high-performing ESXi hosts.

Jun 19

Using vSphere HA to Protect vCenter

The ability to provide HA protection of the vCenter Server is one of benefit of deploying vCenter as a virtual machine. vCenter is required to configure vSphere HA but once vSphere HA is configured vCenter is NOT required for vSphere HA to protect virtual machines in the cluster, including a virtualized vCenter Server.

Apr 23

Setting up the Weathervane Benchmarking Tool in the Home Lab

Standing up Weathervane in the home lab will provide hands-on for developing skills like creating a template VM, creating a guest customization specification, working with some basic Linux commands, working with an app with multiple tiers, creating a guest customization specification, cloning VMs, and monitoring performance metrics. This post provides an overview of how I set up Weathervane in my home lab, an example of the results generated from the Weathervane runs, and a look at the performance metrics I observed in lab during the Weathervane runs.

Mar 08

Microsoft Failover Cluster in a Box on SimpliVity

This is a White Paper I worked with SimpliVity Product Management on to provide details on how to implement and operate a Windows Failover Cluster on SimpliVity OmniStack systems. It also details how availability is provided across different failure scenarios

Feb 21

Automated vSphere Lab Deployment Script

Very handy! @lamw has put together an automated lab deployment script which will deploy a 3 host nested vCenter/ESXi/VSAN/NSX Lab. It supports vSphere 6.0 Update 2 and vSphere 6.5. The scripts provide a fully deployed and ready to use lab in under an hour! A full write up and links to the scripts can be …

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Jan 19

Automate Backup of the VCSA to the vMA

Recently I did a post on how to Target the vMA for VCSA Backups. This post takes things a step further and automates the backup of the VCSA using a shell script, the vCenter Appliance REST API, and cron on the vMA.

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