A few years ago a fully-dedicated 100Mbps up-link for a dedicated server was a dream for many folks. Not anymore! The bandwidth pricing went down drastically, the internet connectivity speed has increased a lot.

Nowadays even a budget dedicated server has 100 Mbps up-link and the question is how much bandwidth you can push?

Let’s look at the typical scenario: a web server hosting a large web site or blog. Since we are interested in maximum bandwidth your server can push using 100Mbps up-link, we will skip the server CPU/RAM/IO load issues that usually is a quite big problem with… Read the rest of this entry »

There are many ways how to upgrade ESXi servers, but below, I will compile a list of update steps I am performing.

We only use ESXi Vsphere 4 version with Standard and Advanced type licenses. All ESXi servers are connection to Virtual Center and managed from there.

1.) Download ESXi installable ISO from Vmware.com web site and burn it in CD
2.) Move all virtual servers to other ESXi hosts using vMotion or shutdown servers and use standard migration
3.) Enter ESXi host in “Maintenance mode”
4.) Disconnect FC storage uplinks
5.) Insert CD in CD… Read the rest of this entry »