I was just reading some of the comments posted today and Marc Sevigny, one of the vSphere HA developers, pointed out something which I did not know. I figured this is probably something that many are not aware of so I copied and pasted his comment: Another thing to check if you experience this error is to see if you have [...]

I was thinking about one of the most challenging aspects with DR procedures, IP changes. This is a very common problem. Although changing the IP address of a VM is usually straight forward it doesn’t mean that this is propagated to the application layer. Many applications use hardcoded IP addresses and changing these is usually a huge challenge. But what about using [...]

Gabe asked the question on one of my recent posts if it made sense to enable Hot-Add by default and if there was an impact/overhead? Lets answer the impact/overhead portion first, yes there is an overhead. It is in the range of percents. You might ask yourself where this overhead is coming from and if that is vSphere overhead or… [...]

I had a discussion yesterday about why one would care about changing the “OS” type for a VM when it is upgraded, or even during the provisioning of a VM. I guess the obvious one is that a VM is “customized / optimized” based on this information from a hardware perspective. Another one that many people don’t realize is that [...]

** Disclaimer: This is for educational purposes, please don’t implement this in your production environment as it is not supported! ** Last week I received a question and I figured I would dive in to it this week. The question was if it is possible to fail-over LUNs using VMware Site Recovery Manager (SRM) which are not part of the Cluster which [...]

I noticed this thread on the VMTN communtity which discussed a time-out during a cluster election process. The one thing all scenarios described in the topic is that they upgraded from 4.1 to 5.0 or 5.0 base to a higher patch level. Marc Sevigny posted in the same thread that it is a known issue which the HA team is [...]

I just noticed that my friend Bilal over at cloud-buddy.com has a nice Christmas challenge up on his blog! You can win a free VMware Workstation license and a 365 day eval license and a couple of e-books! Worth checking out in my opinion, give it a shot… you might be the lucky one. Free vSphere 5 goodies for vGeeks – [...]