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Introduction to VMware vSAN - Part 2
By Pranay Jha | Mar 19, 2018 | In Articles | Total Views [ 323 ]
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More about VMware vSAN

In last topic, we gone through with the VMware vSAN introduction. Here in this article I came with the more information what I came across to know during my learning. This is also basic and must needed information you should aware if you are going insight of vSAN. Here you go, let's have a quick insight of it.

There are two types of deployment mode in VMware vSAN:

Hybrid Mode

All Flash Mode

Hybrid Mode:

In hybrid mode of deployment, we will use all magnetic disks. However you must have one SSD disk for caching use. It means you should have 1 SSD disk and rest will be magnetic disk.

All Flash Mode:

In all flash mode, all disks must be SSD. Out of all disks, you will use 1 disk for caching purpose, and rest will be for disk pool.

Points to Remember for VMware vSAN:-

  • VMware VSAN works on cluster basis.
  • In a single cluster there can be maximum of 5 Disks groups.
  • In each disk groups, there can be maximum 7 disks for data control, and 1 disk for caching use. It means you can have 8 disks in each disk group.
  • Every disk group must have 1 SSD disk.
  • There must be atleast 3 ESXi hosts in a cluster.
  • There can be maximum 64 ESXi hosts in a cluster if you are using vSphere 6.x environment
  • You enable VSAN on VMware cluster.

Calculation for Maximum Disks:

Total Maximum Disk in a Cluster in Hybrid Deployment: (1 SSD + 7 Magnetic) X 5 Disk Groups

Total Maximum Disk in a Cluster in Hybrid Deployment: (1 SSD + 7 SSD) X 5 Disk Groups


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About the Author

Pranay Jha
Pranay Jha
Founder, Contributer VMwareInsight.com
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Thank you for visiting my profile. I am Pranay Jha, bring along a total of 11+ years of extensive experience with me in Information Technology sector for organizations from small business to large enterprises, wherein my current assignment I am associated with IBM as a Technical Solution Architect for Virtualization platform. I am also an Independent blogger and founder of Vmwareinsight.com. I can be reached via email at pranay1988jha@gmail.com or Direct Message via Contact Us form.

 
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