Cleaning up old snapshots is one of the easiest ways that a virtualization administrator can reclaim storage capacity in their environment. Unlike reclaiming other resources such as CPU or Memory, deleting old snapshots doesn’t require downtime and therefore doesn’t usually… Continue Reading
I have to start this post with a warning to run this script at your own risk. If you’re careful and know exactly what you’re doing, this can be very useful. Misuse of this script can cause data corruption and unnecessary outages. So… Continue Reading
We keep a matrix of all our ESXi host hardware information and this usually takes a few hours to touch each host and gather the information. It’s worth the time to ensure our environment is uniformed, however PowerShell/PowerCLI is able to make this much… Continue Reading
We recently audited all of our storage configurations and got a lot of mileage out of the following PowerCLI one-liner. This script checks all hosts connected to your vCenter for remote LUN’s that aren’t using the round robin PSP. HP recommends round… Continue Reading
I just thought I’d share a simple PowerCLI script I wrote to find when all VM’s were created and dump it out to a CSV. I wrote it quickly for our vSphere 5.5 environment, so mileage on other versions may vary. It’s… Continue Reading
VMware makes it easy to update VMware tools through the console, but clicking through hundreds of VM’s takes too much time. Thankfully VMware has provided us with the Update-Tools cmdlet so we can automate this process. We use folders pretty heavily… Continue Reading