Posts Tagged ‘design’

Scale UP!

Lately I am having a lot of discussions with customers around sizing of their hosts. Especially Cisco UCS(with the 384GB option) and the upcoming Intel Xeon 5600 series with six cores per CPU takes the “Scale Up” discussion to a new level.
I guess we had this discussion in the past as well when 32GB became a commodity. [...]

Impact of decisions…

I’ve been conducting VCDX Defense Interviews for a while now. Last week in Las Vegas during PEX something struck me and I guess this post by Frank Denneman is a good example…
On a regular basis I come across NFS based environments where the decision is made to store the virtual machine swap files on local [...]

Storage Masking?

I received a bunch of questions around storage masking over the last couple of weeks. One of them was around VMware’s best practice to mask LUNs on a per cluster basis. The best practice has been around for years and basically is there to reduce conflicts. More hosts accessing the same LUNs means more overhead, [...]

Limit your Cluster Size to 8?

Lately I have been seeing more and more people recommending to limit clusters to eight hosts. I guess I might be more or less responsible for this “myth“, unintentionally of course as I would never make a recommendation like that.
My article was based on the maximum amount of VMs per host in a HA cluster [...]

Document it…

Something that I noticed over the last months while doing design reviews is that hardly anyone documents decisions in a design. Most designs I review are physical designs, which is understandable as most IT people are technical people who could not care less about logical designs. I am perfectly fine with that, although I do [...]

Congrats to those that passed the Design Exam

Finally, the results have been emailed today. Congrats to all of you who passed the exam! (And those who didn’t, I’m sure you will next time now you know what to expect.) I know at least a couple of you bloggers passed: Heino(Virtual troll) and Rick Scherer(VMware Tips). Of course there are some more names [...]

VMworld 2009 – TA2259 Ask the Experts Panel Session

We are proud to officially announce the VMworld 2009 – Ask the Experts Panel Session.  This session will feature virtualization experts Rick Scherer, Scott Lowe, Duncan Epping, Chad Sakac and Tom Howarth answering your questions on virtual infrastructure design.  In the next week or so we will be posting sections on our blog sites for [...]

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