Category Archives: Server

This host has no isolation addresses defined as required by vSphere HA


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I had a comment on one of my 2-node vSAN cluster articles that there was an issue with HA when disabling the Isolation Response. The isolation response is not required for 2-node as it is impossible to properly detect an isolation event and vSAN has a mechanism to do exactly what the Isolation Response does: kill the […]

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Posted in 6.5, 6.7, ha, isolation address, isolation response, Server, vsan, vsphere ha | Comments Off on This host has no isolation addresses defined as required by vSphere HA

Unexpected VMware Update Manager (VUM) baseline creation failure. Please check vSAN and VUM logs for details.


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I had a customer asking about an error they received after upgrading to 6.7 U1. The message they saw was the following: “Unexpected VMware Update Manager (VUM) baseline creation failure. Please check vSAN and VUM logs for details.” I had seen some folks on VMTN also complaining about this a couple weeks ago, and I […]

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Posted in Server, Software Defined, Storage, Virtual SAN | Comments Off on Unexpected VMware Update Manager (VUM) baseline creation failure. Please check vSAN and VUM logs for details.

Free vSAN 6.7 U1 Deep Dive ebook? Follow @VMwarevSAN closely!


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The upcoming 5 days the @VMwarevSAN twitter account will be giving away the vSAN 6.7 U1 Deep Dive book for free. Make sure to follow the account and reply to their tweets, I think around 250 books will be given away, so chances are you will be one of those lucky 250! Day 1 of […]

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Posted in Server | Comments Off on Free vSAN 6.7 U1 Deep Dive ebook? Follow @VMwarevSAN closely!

Disable Dark Mode for Outlook in OSX?!


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Yes, after the latest update MS Office is now also capable of supporting the OSX Dark Mode. Nice, but rather annoying for MS Outlook I must say, the dark mode just makes reading the different panes very challenging. I went looking for an option in the UI that allowed me to change the default, I […]

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Posted in dark mode, microsoft, osx, outlook, Server | Comments Off on Disable Dark Mode for Outlook in OSX?!

New book: VMware vSAN 6.7 U1 Deep Dive


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Cormac Hogan and I have been working late nights and weekends over the past months to update our vSAN book material. Thanks Cormac, it was once again a pleasure working with you on this project! As you may know, we released two versions of a vSAN based book through VMware Press. The book was titled […]

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Posted in 6.7, 6.7 u1, cloud, Data Recovery, deep dive, deepdive, Server, Software Defined, Storage, Virtual SAN, VMware, vsan | Comments Off on New book: VMware vSAN 6.7 U1 Deep Dive

SSH on OSX Mojave failing with broken pipe error


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I recently upgraded my Macbook to OSX Mojave (10.14.1). Ever since I upgraded whenever I want to open an SSH session to any server on the internal (VMware) network I would receive the following error message: packet_write_wait: connection to x.y.z. port 22: broken pipe Very annoying as it made deploying labs in our dev cloud very […]

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Black Friday Gift: Free copy of the vSphere 6.7 Clustering Deep Dive, thanks Rubrik (ebook)


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Many asked us if the ebook would be made available for free again. Today I have the pleasure of announcing that Frank, Niels and I have worked once again with Rubrik and the VMUG organization to make the vSphere 6.7 Clustering Deep Dive book available for free! Yes, that is 0 USD / EURO, or […]

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Posted in 6.7, clustering, clustering deep dive, deep dive, drs, ebook, ha, rubrik, Server, Various, vSphere | Comments Off on Black Friday Gift: Free copy of the vSphere 6.7 Clustering Deep Dive, thanks Rubrik (ebook)

vSAN 6.7 U1 Deep Dive book coming soon!


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Cormac and I decided to update the vSAN Essentials book. We added a whole bunch of extra info and also decided to rebrand it. “Essentials” did not really cut it, it is much more than that. Considering I just finished the Clustering Deep Dive with Frank and Niels, we figured this could be a nice […]

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Posted in 6.7 u1, Book, deep dive, Server, Software Defined, Storage, Various, Virtual SAN, vsan | Comments Off on vSAN 6.7 U1 Deep Dive book coming soon!

Project Dimension – VMware’s Edge Computing effort


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Internally some of my focus has been shifting, going forward I will spend more time on edge computing besides vSAN. Edge (and IoT for that matter) has had my interest for a while, and when VMware announced an edge project I was intrigued and interested instantly. At VMworld US the edge computing efforts were announced. The […]

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Posted in cloud, edge, IoT, project dimension, Server, vmc, vmconaws, vmware cloud on aws | Comments Off on Project Dimension – VMware’s Edge Computing effort

(My) VMworld Europe sessions online


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The VMworld Europe sessions have all been posted. Of course William scraped the VMworld website and placed the links on github. Very useful! For those who were not at VMworld I wanted to share the links to the sessions I participated in. I had 4 sessions scheduled, of which 1 was a repeat, so I […]

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Posted in Server | Comments Off on (My) VMworld Europe sessions online