Choosing VMFS block size with vSphere 4.1
Last month I regularly received requests from colleagues concerning VMFS block sizes. Although it’s a simple setting, it still raises a lot of questions and the introduction of vSphere 4.1 has somewhat changed the game. The block size on a VMFS datastore defines two things: The…
Only two weeks until an impressive dutch VMUG
It’s only two weeks until the annual dutch VMUG with a very impressive speaker line-up. Many international speakers are going to deliver great sessions, workshops and Q/A-sessions at the Nieuwegein Business Center (NBC) on December 10th. If you’re interest and work involves virtualization and you…
Challenge: vCenter, EVC and Distributed Virtual switches.
Yesterday a colleague asked me to add four blades from our old test environment to our new VMware vSphere 4.1 test environment. Of course this was no problem (yet), I had an hour or two to spare, so I started immediately. Download the ESXi 4.1…
Support Alert: Issue with IBM hardware running ESX/ESXi 4.1 (update)
A few minutes ago On November 12th VMware issued a Support Alert regarding an issue that affects users with IBM hardware, running ESX/ESXi 4.1. The symptoms are mentioned below. When using IBM x3650 M3 or BladeCenter HS22V servers, you may experience these symptoms: HBAs stop…
Keeping your infrastructure up to date
As with most products you want to keep them up to date for several reasons, which can include security, availability, reliability or even new features in the product. Keeping products up to date is a process that keeps repeating itself and needs a good plan to keep up with the…
And the winners are …
A week ago, Arjan, initiated a VMworld Great Prize Draw giving away some of the items he collected at VMworld 2010 in Copenhagen. Because we had some extra items we introduced an additional fourth prize. I got the honors of naming the winners, so I…
I’m VMGuru.nl and I’ve just been overhauled!
Because we experienced more and more problems with the placement of our content we decided to give the website an overhauling. We changed the theme we started with two years ago and replaced it with a cleaner and fresher look with two sidebars. I hope…
VMworld Great Prize Draw!
When I saw the statistics that Erik published yesterday I was very pleased to see that my contributions to the VMGuru.nl site grew the most of all. When I joined the contributors more than a year ago from now, I never thought blogging for the…
VMGuru’s browser and OS statistics
As you might or might not know, I’m the hosting dude at VMGuru.nl. Our site runs on a Linux VM with Apache and that gives us the performance and stability we need. The combination of Apache on Linux gives us some nice options to run…
McAfee MOVE anti-virus
Last week we had a meeting with a McAfee Sales Engineer and he told us something I have been waiting for for a long time. McAfee now has a product especially for virtualized environments, McAfee MOVE (Management for Optimized Virtual Environments). After Trend Micro, McAfee…
VMGuru.nl 2 year anniversary
Due to VMworld 2010, my job interviews and the problems with our Zimbra mail server we haven’t had the time to ‘celebrate’ our 2 year anniversary. So a bit late. Two years ago, in October 2008, we started our website/blog called VMGuru.nl and we had…
Zimbra is down
This evening I noticed that our Zimbra server wasn’t responding properly. In the end it wasn’t responding at all so I rebooted the VM. Unfortunately that worsened the situation, it now is down and out totally. No luck starting services, error messages making no sense,…
VMworld Europe 2010 Summary
We posted a lot of items when we were at VMworld in Copenhagen, so I thought it would be good to give you a summary so you wouldn’t miss a thing. General VMworld 2010 impression video VMworld 2010 Roundup Ford Donalds, about…
VMWorld 2010 Roundup
VMworld 2010 in Copenhagen is over. It was a huge success as far as us here at VMGuru.nl concerns. We had a fantastic time. Although it was very demanding at times, the team pulled through together. During VMworld, we generated more than…
The Diary of a VMworld 2010 Blogger – Thursday
During VMworld Europe 2010 in Copenhagen I will be keeping a diary to show what a blogger’s life is all about. Thursday 14 October 2010 6:30 Time to get up my phone is blinking with a reminder for the Zimbra…