Trend Micro Deep Security Filter Driver Heap Size My VMware environment is protected by Trend Micro Deep Security to provide agentless protection of virtual machines (VMs). Recently I encountered a ‘Purple Screen of Death’ (PSOD) on one of the ESXi hosts which appeared to be caused by Deep Security. Further investigation indicated that the filter … Read more Trend Micro Deep Security Filter Driver Heap Size
Today I deployed an OVF image to vCenter and on attempting to start the virtual machine (VM) I encountered the error message below –
vCenter was unable to find a suitable host to power on the virtual machine for the reasons listed below.
DRS Cannot find a host to power on or migrate the virtual machine.
Insufficient capacity on each physical CPU.
Initially this left me a little confused as I was pretty certain we had sufficient resource to start this VM. I checked the configuration and found it had been configured … Read more VMware DRS cannot find a host to power on or migrate the virtual machine – Insufficient capacity on each physical CPU
In my environment we have two HP 3PAR 7400 arrays configured for synchronous replication. They are separated by about 16 miles with a 10Gb DWDM (dense wave devision multiplexing) link. We use Peer Persistence for VMware and HP CLX cluster extensions for Hyper-V to enable seamless failover between arrays. A vital component is the HP … Read more HP 3PAR Quorum Witness Server Deployment and Configuration
In this post we will look at deploying the HP 3PAR quorum witness – this is a vital system when running arrays with Peer Persistence synchronous replication as it allows us to arbitrate in a split brain scenario. First off what does it do and why do we care? The quorum witness is a virtual … Read more HP 3PAR Quorum Witness Role
This is an old fault that I thought I wouldn’t see again however I came across a VM this morning which tried to automatically update it’s VMware tools install and failed. The machine was left without the tools and we had to deploy them manually. This wasn’t difficult of course however after the reboot the … Read more VMware Networking Error – IP address already assigned to another adapter KB 1179
Trend Micro Deep Security is a great product and I am more than happy to say I do rather love it. If you are running Deep Security then you will already have at least one Relay agent deployed – your Deep Security Management server. While this does work I prefer to break the Relay role … Read more Trend Micro Deep Security Relay Agent Install
Having fleshed out the HP documentation for deploying the 3PAR simulator on VMware ESXi I decided to take the plunge and do the same for the VMware Workstation deployment. First off I will be using some material from the previous post as once the deployment and configuration of Workstation is complete the remaining steps are … Read more HP 3PAR Simulator Deployment on VMware Workstation
Today we will deploy the HP 3PAR simulator on VMware vSphere ESXi 5.5. You can also deploy the simulator on VMware Workstation however the steps are slightly different. Please note this is quite a long post as it includes many screenshots and notes. System Requirements The 3PAR Simulator requires a VMware ESXi 5.x or a … Read more HP 3PAR Simulator Deployment on VMware vSphere ESXi
A colleague asked me recently how to install VMware tools on a Linux virtual machine. Remember you should always consult the vendors documentation to confirm their preferred method for providing VMware tools type functionality. As well as the official VMware tools package you can also install the ‘Open VM Tools’ package. Again – consult the documentation … Read more Install VMware Tools on Linux
I wanted a quick way to configure NTP settings on a number of VMware ESXi hosts across two datacenters. Hosts in site A should point to the NTP source locally primarily and to site B NTP as a secondary source and vice versa for hosts in site B. The following isn’t perfect and a lot … Read more ESXi NTP PowerShell Script