Modify Historical Statistics Level using PowerCli

I was recently approached by one of my performance engineers about increasing the historical statistic level for our environment. Adjusting this level increases or decreases the amount of vCenter performance counters that are saved over time for each of the performance intervals. We were asked to increase our level in order to expose additional metrics to their monitoring application. While …

How to enable W2K8 Storage Server iSCSI Target on any version – Windows MSI Hacking for the Win!

A while back, I was engineering different Windows 2008 cluster scenarios for a project. As usual, I took most of this work home to the Uberlab for further testing. Unfortunately, I ran into a snag. I didn’t have any iSCSI devices that could pass the Windows Cluster Validation Test. In short, whenever you build a cluster, MS attempts to validate …

Modifying Maximum Virtual Machine Console Sessions (Per Host or VM)

Some time ago, JC ran into a problem. Some of our security folks were concerned that multiple users could interact with a virtual machine’s console session (MKS). Their concern was that any user that had privileges to access the console of a VM could leverage the privileges of any user currently using the virtual machine. Understandably, this could be a …

VMware View Linked Clone Pool Automation – Kelly J. Olivier @kjolivier

I work with several environments that are the same.  Actually, they are the same but different, with them all being direct copies of each other, but different domains, names, etc.  In an effort to automate lately, I have begun to experiment with powershell, PowerCLI, ViewCLI, etc.  I wanted to write a script that created an identical linked clone pool in …

Objective 5.2 – Plan and Implement VMware Fault Tolerance

For this objective I used the following documents: Documents listed in the Tools section Objective 5.2 – Plan and Implement VMware Fault Tolerance   **ITEMS IN BOLD ARE TOPICS PULLED FROM THE BLUEPRINT** Knowledge Identify VMware Fault Tolerance requirements Figuring out VMware Fault Tolerance requirements can be a bit cumbersome, especially when browsing through all the different CPUs and their …

Objective 5.6 – Patch and Update ESXi and Virtual Machines

For this objective I used the following documents: Documents listed in the Tools section Objective 5.6 – Patch and Update ESXi and Virtual Machines   **ITEMS IN BOLD ARE TOPICS PULLED FROM THE BLUEPRINT**   Knowledge Identify patching requirements for ESXi hosts and virtual machine hardware/tools Patching requirements for ESXi hosts and virtual machine hardware/tools are usually separate, but depending …

Objective 5.5 – Backup and Restore Virtual Machines

For this objective I used the following documents: Documents listed in the Tools section Objective 5.5 – Backup and Restore Virtual Machines   **ITEMS IN BOLD ARE TOPICS PULLED FROM THE BLUEPRINT**   Knowledge   Identify snapshot requirements A snapshot is essentially a point-in-time image of a virtual machine.  I won’t get deep into how they are implemented within vSphere …