VMware ESXi 3.x

Migrating to ESXi

By now most people working with VMware clearly know that they better can move to ESXi if they want to be able to use the latest and greatest VMware technology. ESXi is the “console-less” brother of ESX with just the small foot-print hypervisor (vSphere 4.1 is the latest release to support both the ESX and

powerbook

PowerCLI power

Here a nice tweet that I had to post: Convert all VM names to lowercase with this simple one liner: Get-VM | Foreach { $_ | Set-VM -Name ($_.Name).tolower()} also must read on VMware PowerCLI is: VMware vSphere PowerCLI Reference: Automating vSphere Administration by Luc Dekens, Alan Renouf, Glenn Sizemore, Arnim van Lieshout, Jonathan Medd

performance impact of VMware snapshots

every now and then I get asked: what do you do with a (eg Database) Servers with a very high I/O load? Especially when snapshot(s) grow very rapidly and when committing this snapshot(s) they can result in a “freeze” for a period of time. Some “tricks that might help are: – look at your overall