In this section, I will go over the following objectives found within the VMware vSAN Specialist Blueprint: Section 2 – vSAN Fundamentals
Objective 2.1 – Provide a high-level description of vSAN
Introduction to vSAN
vSAN is an enterprise-class software storage solution built directly into the VMware platform. It runs on commodity hardware (x86) or vSAN Ready nodes. What does this mean? Instead of having a separate software solution controlling the storage, the actual ESXi hosts alongside with vSphere have the vSAN technology (Software Defined Storage) built directly into the kernel/software. This software then utilizes the commodity hardware (compute, storage, network) within the host/appliance to create the perfect marriage of virtualization and software defined storage. It utilizes storage policies to intelligently place VM objects on underlying local storage. This is the special sauce that makes vSAN so great. It automates storage on many levels, which in turn leads to significant simplification with regards to how storage is provisioned and managed.
Why is this important? Instead of having to buy separate software, you can utilize this software since it’s already a part of vSphere. This in combination with local disk installed within x86 hardware makes the vSAN solution a truly modern and software defined solution. This reduces costs and complexity.
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In this section, I will go over the following objectives found within the VMware vSAN Specialist Blueprint: Section 1- Storage Fundamentals
Objective 1.1 – Identify storage device characteristics
vSAN is very similar to today’s traditional storage technologies; however, there are some key differences and unique configurations vSAN utilizes to make it the technology it is today. Here are some of the storage device characteristics that make vSAN hum. These are also requirements in order to use vSAN. Be sure to check out the HCL for vSAN, as it’s the TRUTH and should always be followed to ensure success!
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Late last year, I made the decision to obtain the vSAN Specialist badge (2VB-601) that VMware just recently began offering. While I currently don’t have the necessary home lab equipment, I plan to get started and then figure out the lab situation. My ideal plan is to have a three node NUC cluster running vSAN, but this may change. Regardless, the most important thing is to start, so here we go!
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After about a month of preparation, I was able to successful sit Amazon’s AWS Cloud Practitioner exam. This is the first of many that I hope to obtain. I was unable to obtain the AWS Solutions Architect Associate at first go, so I regrouped and took this foundation course in hopes that it would boost my knowledge and reinvigorate my desire to pass the AWS Solutions Architect Associate exam. The exam was a good overview of the offerings AWS has to offer. I highly recommend it for anyone looking to dip their toe in AWS.
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In my opinion, one of the best features within the 6.5 vCenter Server Appliance is the ability to perform backups from the appliance itself (natively). No agents, snapshots or scripts required. It really is quite simple, and I’m glad VMware added this additional feature. How many times have you heard someone explain the importance of backups?
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Before building out your vSAN cluster, one thing that you should be conscious of is that of maintenance activities. Some time ago, someone told me “Anyone can make something work, but few take the time to think of the long term implications (years from now) of setting things up a certain way”.
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Introduction to VM Storage Policies
One of the great features within vCenter is the ability to create VM Storage Policies. What are VM Storage Policies?
According to VMware Official documentation, VM Storage policies are specific requirements placed upon underlying storage to ensure desired characteristics are met.
Continue reading “How to: Creating VM Storage Policies in vSAN”