Skip navigation

Abhilash_hb's Blog

May 2013 Previous month Next month
Abhilashhb Virtuoso
VMware EmployeesvExpert

VDI Sizing Tools

Posted by Abhilashhb May 28, 2013

While Sizing a VMware VDI Infrastructure, we need to take a lot of things into consideration. What is the number of total desktops that are going to be provisioned, how many desktops will be used concurrently, what's the IOPS requirement, What's the Bootstorm IOPS blah blah blah blah.


It takes a lot of calculations to complete the sizing and its a tedious work. After all we are humans, we are known for committing mistakes. Take for example you made a mistake at the beginning of the calculation and you didn't realize it. Imagine if you'll have to redo the whole thing. Even if you got through the whole process without committing mistakes and it turned out to be a good solution, what if another requirement comes for more users next time? More users = complex calculations. What would you do then?


Here's a tool developed by Andre Leibovici


It makes your life easy as it asks you every detail that's possible and should be considered while sizing a VDI Infrastructure.


Off course there's a Excel sheet that is available on the VMware Communities but i would recommend it only for initial sizing of the infrastructure as it "assumes" lot of things by default.


If you are a storage guy and you are more concerned about the performance of VDI and want to drill down to the IOPS level and see what kind of workloads are generated out of our infrastructure, you can check the link below which lets you work on the IOPS calculation part



Remember, the way a infrastructure works is not only determined by what products are being used but also the kind of designing that goes into building it.

I have been working on Integration of vCOPS with other devices to explore the capability and the large scope of monitoring vCOPS can perform.

Here i would like to share some steps to monitor Cisco Switches using SNMP Adapter provided for the vCOPS.

Pre-requisites for this configuration

1. vCOPS 

2. Download the SNMP Adapter from here.

3. IP Address,community and SNMP version details of the Switch to be monitored.

Now Login into vCOps Admin UI with a user with appropriate access rights.

Click on Update ---> Browse the location of the Adapter (vcops-SNMPAdapter-X-XXXXXXX.pak) that was downloaded.

Click on Update.


Accept the EULA and Proceed further.

Once the Installation completes. It shows Update is successfull.

Now Login into vCOPS Custom UI with appropriate access rights.

Click on Admin---->Support-----> Info

On the Adapters Info Tab Click on the small icon  screw.jpg


Once this is done the SNMP adapter should show  up in the list


Now that the adapter is installed. We need to Add an adapter instance and credentials to start discovering the devices.

Select Environment---->Configuration----->Adapter Instances

Select Collector (vCOPS)

Select SNMP Adapter from the Adapter drop down menu.


Now Add the credential for the switches


Click OK.

Now Discover the resources. Goto Environment overview---->List-----> Auto Discover resources



Now enter the details like IP range and map the credentials to the Instance as shown below



discover 2.jpg


Once these details are given. vCOPS starts discovering all the devices that are present in this range.

Wait for the discovery results to populate the results of the discovered resource.



After addning.jpg


Click on Import to just discover and not collect any data and collect to start collecting the data.

Click OK


Now all the devices will show up on your Custom dashboard widgets.