For our Citrix XenApp environment that runs on ESXi, we tend to keep a 1:1 ratio when it comes to physical cores and vCPUs. In other words, an ESXi host with 12 cores, will only be running 6 XenApp VMs with 2 cores or 3 XenApp VMs with 4 cores or any other combination, just […]
scripting
VMware vSphere Health Check
At the Dutch VMUG event 2011 I gave a presentation on how to check your VMware environment to make sure it is healthy. When creating the presentation I had a lot of doubts because I was afraid everyone would think these points were very obvious. But on the other hand, when visiting customers and doing […]
Updating your ESXi host using VMware vSphere 5 Auto deploy
In my previous post on VMware vSphere5 Auto deploy I explained how to setup an auto deploy environment. This is great for initial setup and to deploy your hosts, but what when an update is released by VMware? The easiest thing is to just delete the deploy rules and recreate them which is ok for […]
VMware vSphere PowerCLI Reference: Do judge this book by its cover
Often I receive book for review and after I read it, it goes on to my bookshelf and just sits there for a long time. With the VMware vSphere PowerCLI Reference its a different story. The book contains a lot of scripts which doesn’t make it a reading book you keep on your nightstand. This […]
vSphere 5 Auto Deploy PXE booting through Cisco ASA firewall
In response to my blog post on “vSphere 5 – How to run ESXi stateless with vSphere Auto Deploy“, I received a comment from Rob Ellison, who ran into issues when PXE booting through a Cisco ASA firewall. In a second comment he explained how he solved the issue. Turned out there was an issue […]