Author Archives: Duncan Epping

Taking a break with VMware Take-3


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Over the past 6 years my focus has very much been VMware vSAN. I started focussing on vSAN when we internally started workin on Project Marvin in 2012, or EVO:RAIL as it was officially called, which then became Dell EMC VxRail. After a brief stop in the corporate Office of CTO I then joined the […] Continue reading

Posted in spatial computing, Various | Comments Off on Taking a break with VMware Take-3

NET::ERR_CERT_REVOKED driving you nuts after upgrading to OSX Catalina?


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NET::ERR_CERT_REVOKED driving you nuts after upgrading to OSX Catalina? Well it is driving me nuts for sure. I just found out that if you hit the NET::ERR_CERT_REVOKED error while accessing a page, in Chrome, you can simply continue clicking in the Chrome window and by typing the following: thisisunsafe. Of course you should only do […] Continue reading

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Part 2: Is VSA the future of Software Defined Storage? (Customer use case)


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About 6.5 years ago I wrote this blog post around the future of Software-Defined Storage and if the VSA (virtual storage appliance) is the future for it. Last week at VMworld a customer reminded me of this article. Not because they read the article and pointed me back at it, but because they implemented what […] Continue reading

Posted in filter, replication, sds, Software Defined, software defined storage, Storage, vaio, Virtual SAN, VMware Cloud Foundation, vsan, VVols | Comments Off on Part 2: Is VSA the future of Software Defined Storage? (Customer use case)

VMworld Odyssey Lab Competition, sign up and win a Macbook!


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At VMworld US there was this really cool new initiative at the hands-on-labs. They had this competition called Odyssey where lab teams were competing against each other to complete labs successfully as fast as possible! These labs are on the topic of vSAN, vSphere, vRealize, NSX-T, Horizon and AppD. Not only was the gamification aspect […] Continue reading

Posted in Odyssey, Various, vmworld | Comments Off on VMworld Odyssey Lab Competition, sign up and win a Macbook!

VMworld Session Repeat – HCI1870BER – HA best practices with vSAN on Thursday 12:00!


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Unfortunately the rooms they allocated to my sessions filled up extremely fast. They have been able to move my sessions in to other rooms twice, but as HCI1870BER (HA best practices for vSAN) filled up again and there was no bigger room available the VMworld team decided to schedule a repeat for Thursday at 12:00, […] Continue reading

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Joined GigaOm’s David S. Linthicum on a podcast about cloud, HCI and Edge.


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A while ago I had the pleasure to join David S. Linthicum from GigaOm on their Voices in Cloud Podcast. It is a 22 minute podcast where we discuss various VMware efforts in the cloud space, edge computing and of course HCI. You can find the episode here, where they also have the full transcript […] Continue reading

Posted in cloud, edge, hci, Server, Virtual SAN, VMware, VMware Cloud Foundation, vmware cloud on aws, vmware cloud on dell emc, vsan | Comments Off on Joined GigaOm’s David S. Linthicum on a podcast about cloud, HCI and Edge.

Project nanoEDGE aka tiny vSphere/vSAN supported configurations!


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A few weeks ago VMware announced Project nanoEDGE on their blog virtual blocks. I had a whole bunch of questions the following days from customers and partners interested in understanding what it is and what it does. I personally prefer to call project nanoEDGE “a recipe”. In the recipe, it states which configuration would be […] Continue reading

Posted in edge, IoT, robo, Software Defined, Storage, supermicro, Virtual SAN, vsan, vSphere | Comments Off on Project nanoEDGE aka tiny vSphere/vSAN supported configurations!

Single socket vSAN ready node AMD EPYC Rome on the VCG!


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Yesterday I tweeted something and I want to reiterate it to make sure that those who are just following the blog, and not my twitter account, also are aware. On the vSAN Compatibility Guide (VCG) there were already a number of single-socket servers, but most of these were limited in terms of CPU/MEM resources. Last […] Continue reading

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2 node direct connect vSAN and error “vSphere HA agent on this host could not reach isolation address”


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I’ve had this question over a dozen times now, so I figured I would add a quick pointer to my blog. What is causing the error “vSphere HA agent on this host could not reach isolation address” to pop up on a 2-node direct connect vSAN cluster? The answer is simple, when you have vSAN […] Continue reading

Posted in 2-node, direct connect, ha, isolation response, Server, Software Defined, Storage, Various, Virtual SAN, vsan, vsphere ha | Comments Off on 2 node direct connect vSAN and error “vSphere HA agent on this host could not reach isolation address”

I discovered .PNG files on my datastore, can I delete them?


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I noticed this question on Reddit about .PNG which were located in VM folders on a datastore. The user wanted to remove the datastore from the cluster but didn’t know where these files were coming from and if the VM required those files to be available in some shape or form. I can be brief […] Continue reading

Posted in ha, High Availability, screenshot, Server, vm monitoring, vsphere ha | Comments Off on I discovered .PNG files on my datastore, can I delete them?