Yesterday evening I witnessed a weird phenomenon. We had to bring down a complete environment to move a 19″ rack to a different location. We switched the SAN on, waited a couple of minutes and switched the ESX hosts on. When the ESX hosts finished booting we booted the VirtualCenter. Everything looked normal in the [...]

Clint discovered the following:
Source -
Ran into a problem while doing some performance testing on some test VMs. We found that we had no historical performance data for the VM or Host. All we had was real time data. This can be a major issue, especially when you are trying to troubleshoot or like in this [...]

For some weird reason the customization specification wizard in VirtualCenter 2.5 fails when entering the administrator password. The error: An internal error occurred, and the wizard is unable to store the administrator password securely.

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For those who encountered the same weird networking problems as I did, I was just browsing through the Knowledge Base articles for the patches released yesterday and found out that they fixed the driver for the Intel quad-port nic. When using VST half of the packets were dropped, for more info on the problem check [...]

I was just testing the new patches on a couple of servers when I noticed that when I pressed “remediate” the first patch(ESX350-200802403-BG) was installed without the ESX host going into maintenance mode. When the second patch(ESX350-200802409-BG) was installed the server went into maintenance mode. According to the VUM Documentation(vi3_vum_10_admin_guide.pdf) the server should always go [...]