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ESXTOP and VMware Cloud on AWS

03.26.2019 by William Lam // 6 Comments

ESXTOP is one of the most versatile and popular tool in the VI Administrators tool belt when it comes to real time performance analysis and data collection in a vSphere environment. In fact, ESXTOP also came up in the most recent episode of the VirtuallySpeaking Podcast covering the Top 10 Tools for VI Administrators, which Duncan Epping and I had the pleasure to be part of.

To use ESXTOP, you are required to SSH to an ESXi host as it is only available in the ESXi Shell. Traditionally, this has not been a huge issue for on-premises environment, especially as you can enable access when you needed to run ESXTOP. However, when operating on VMware Cloud on AWS (VMC), customers no longer have to worry about managing the underlying infrastructure and can now focus on being a consumer of the VMware SDDC. One side affect of this operational change is that customers do not have direct access to ESXi and would not be able to use ESXTOP.

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Categories // Automation, ESXi, VMware Cloud on AWS Tags // esxtop, resxtop, VMC, VMware Cloud on AWS

Heads Up: Workaround required for resxtop to function in vMA 5.5

11.14.2013 by William Lam // 2 Comments

If you are using the latest version of vMA 5.5, there is currently a known issue when using resxtop. After successfully logging into the ESXi host, the command prompt is returned immediately and resxtop is not actually loaded.

Here is a screenshot of the behavior:

I have received word from engineering there is a workaround that is required to get resxtop working, which is to run the following command:

sudo mv /usr/lib/vmware-rcli/lib/ /usr/lib/vmware

Once you have executed the above command (only required once), you now will be able to connect to your ESXi host using resxtop.

Engineering is working on getting the vMA release notes updated as well as a KB article published and we will have fix for this in the a sub-sequent update/patch release of vMA.

Categories // Uncategorized Tags // ESXi 5.5, resxtop, vcli, vMA 5.5, vSphere 5.5

How to Run VMware's New Fling VisualEsxtop on Mac OS X

07.02.2013 by William Lam // 12 Comments

The folks over at VMware Labs continue to pump out awesome new Flings and just yesterday, they released another one called VistualEsxtop, which is an enhanced version of esxtop and resxtop. It is no surprise, the Fling was developed by VMware Engineers working in the Performance group such as Priya Sethuraman, Zhelong Pan, Haiping Yang and Joanna Guan, some of which who helped develop the original esxtop utility.

VisualEsxtop can connect to directly to an ESX(i) host or a vCenter Server and provides support going all the way back to ESXi 3.5 or vCenter Server 4.0. Here is a summary of all the features for VisualEsxtop:

Features

  1. Live connection to ESX host or vCenter Server
  2. Flexible way of batch output
  3. Load batch output and replay them
  4. Multiple windows to display different data at the same time
  5. Line chart for selected performance counters
  6. Flexible counter selection and filtering
  7. Embedded tooltip for counter description
  8. Color coding for important counters

While reading the instructions, I noticed VisualEsxtop is supported on both Windows and Linux and is loaded by a simple .bat or .sh script. So I wondered if it could run on Mac OS X? Well, it turns out the script uses a utility called readlink which does not operate the same on Mac OS X and will thrown an error. However, since VisualEsxtop is just a Java application, you can manually load the VisualEsxtop and the necessary library files.

To do so, you just need to change into the visaulEsxtop directory and run the following command:

java -cp lib/vtop-ui.jar com.vmware.vtop.VTopMain

Note: For ease of use, you can even create a shell script which executes the command so you do not have to type it out each time.

You should now see visualEsxtop launch after executing the above command:

One really cool feature of VisualEsxtop is the use of color coating for important counters and issues. In the screenshot below, you can see I have a VM that is dropping packets and it is automatically highlighted for me.

I would highly recommend you check out VisualEsxtop and add this to your toolbelt of tools for troubleshooting and diagnosing performance issues in a vSphere environment! If you have any feedback or questions for the engineers, please leave them in the comment section of the VisualEsxtop Fling.

Categories // Uncategorized Tags // esxtop, fling, osx, resxtop, visual esxtop

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William is Distinguished Platform Engineering Architect in the VMware Cloud Foundation (VCF) Division at Broadcom. His primary focus is helping customers and partners build, run and operate a modern Private Cloud using the VMware Cloud Foundation (VCF) platform.

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