I was answering a couple of questions on the VMTN forum and stumbled on the impact of using similar blocksizes for all VMFS volume which I never realized. Someone did a zero out on their VM to reclaim some wasted diskspace by doing a Storage vMotion to a different datastore. (Something that I have described in the past here, and [...]

Today I received an email from Chethan Kumar who is part of Performance Engineering. Chethan rewrote the vSphere Performance Troubleshooting guide so that it contains all the nitty gritty details there are to know about vSphere 4.1 when it comes to performance related problems. source The hugely popular Performance Troubleshooting for VMware vSphere 4 guide is now updated for vSphere [...]

I was reading Richard Garsthagen’s article about anti-virus solutions yesterday and decided that this deserved a little bit of extra attention as it is an often overlooked area when it comes to architecture and impact. As Richard points out the difference in terms of load that it generates and overhead is enormous. All of these combined will most definitely result [...]

I’ve had this question too many times over the last couple of weeks and instead of answering all of them separately I figured I would dedicate a blog article to it so that I can reference to that. Here we go: Q) Will the e-book version of the HA/DRS deepdive be available soon? A) No. We have decided that we [...]

I got a couple of questions around what I have been up to lately as some noticed there was a slight decrease in volume from a blogging perspective on yellow-bricks. (from 4 articles per week to 2-3 article per week) Well I have been reading up on my new role but on top of that also started blogging for the [...]

I was reading Scott’s article about using dedicate clusters for management applications. Which was quickly followed by a bunch of quotes turned into an article by Beth P. from Techtarget. Scott mentions that he had posed the original question on twitter if people were doing dedicated management clusters and if so why. As he mentioned only a few responded and [...]

Want a free HA/DRS Technical Deepdive Book? Watch vChat 15! In Episode 15 of our vChat series, we have a couple of special guests with us whom I’m sure you would have heard of or if not met before, Frank Denneman and Duncan Epping. These guys embody almost all things deep-dive when it comes to vSphere and with the recent [...]