Hal Rosenberg, a performance engineer at VMware has just released a new Community Document entitled “Performance Troubleshooting for VMware vSphere 4“. It uses numerous flow charts to help identify the cause of performance related issues. It focuses on ESX 4 hosts, but Hal explains that he intends to update it and “add more detailed performance […]
If all those interwebz tubes are correctly aligned, then I should be reaching out to you on Planet V12n. To quickly introduce myself, my name is Forbes Guthrie and I muse over at www.vReference.com. I’m probably best known for my VI3 reference card and newly released vSphere4 reference card and notes. I like to blog […]
At VMworld I attended the excellent “Networking Deep Dive” (TA2525) by Srinivas Neginhal. Here are just a few things he discussed that jumped out me as either new information (not in the standard documentation) or something that expanded on my current understanding. ESX hosts keep a local cache of the vDS and DVPort information, to […]
I also hit “vSphere4 Storage Troubleshooting and Log Analysis” (TA1394) which was presented by Mostafa Khalil at VMworld this year. Wow, he was a wealth of information. Unfortunately he was pushed for time, and I had to leave this one early to get to my next session. If a video of this ever popped up […]