Archives for: March 2011
VMware vSphere 4.1 HA and DRS Technical deepdive for only $17.96 on amazon.com

Not sure where this discount is coming from but I figured I would share it with you. You can pick up the vSphere 4.1 HA and DRS Tech Deepdive for $ 17.96 on Amazon.com. That is about as cheap as it can ever get in my opinion. Pick it up. By the way, Frank and I are working on a [...]

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Thin provisioned disks and VMFS fragmentation, do I really need to worry?

I’ve seen this myth floating around from time to time and as I never publicly wrote about it I figured it was time to write an article to debunk this myth. The question that is often posed is if thin disks will hurt performance due to fragmentation of the blocks allocated on the VMFS volume. I guess we need to [...]

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Talking about face melting stuff

Yes not only Chad Sakac deals with face melting ultra uber geeky cool stuff I do as well (those on twitter know what I am referring to), but unfortunately I cannot share the details on some of the stuff I am working on. I can however provide you a link which contains the papers written by  the engineers on some [...]

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No one likes queues

Well depending on what type of queues we are talking about of course, but in general no one likes queues. We are however confronted with queues on a daily basis, especially in compute environments. I was having a discussing with an engineer around storage queues and he sent me the following which I thought was worth sharing as it gives [...]

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Managing availability through vCenter Alarms

Last week a customer asked me a question about how to respond to for instance a partial failure in their SAN environment. A while back I had a similar question from one of my other customers so I more or less knew where to look, and I actually already blogged about this over a year ago when I was showing [...]

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