Scan failed with vCenter Update Manager

Some time ago I was at a customer who planned to rollout some patches using VMware vCenter Update Manager on ESXi hosts. First scan went OK, but stage and remediate complained about not able to reach the download location. Next I ran down a simple checklist. Does the host (or all) have [...] … [Read more...]

vSphere Update Manager Network Connections

Recently I was struggling getting vSphere Update Manager to work properly across firewalls. Information for the required firewall ports that need to be opened can be obtained from the following VMware KB articles: http://kb.vmware.com/kb/1004543 http://kb.vmware.com/kb/1012382 During troubleshooting, some information … [Read more...]

Restoring the default vCenter Server alarms

I’ve been troubleshooting some vCenter alarms lately, which involved a lot of editing, removing and adding of alarms. After the troubleshooting I wanted to reset everything back to default and ran into VMware KB article 2009166, explaining how to restore the default vCenter Server alarms. To restore the default … [Read more...]

PowerCLI automation: Create vCenter Notification Email Alarm Action

I’ve received a request from a customer recently who wanted to configure all vCenter alarms to send a notification email. This instantly made me decide that PowerCLI was the best way to go rather than wasting a lot of valuable time in the vSphere client configuring the email notification alarms. PowerCLI … [Read more...]

Top Bloggers Voting Time Again

Eric Siebert has opened up another top VMware & virtualization blogs poll over at vSphere-land.com.  Please take a moment and cast your vote  for your favourite 10 bloggers.  It’ll take only a couple of minutes of your time and you can win a copy of the Train Signal’s new vSphere 5 and View 5 video training … [Read more...]

VMware vCenter Orchestrator classes coming to EMEA

The coming months VMware Education Services will start to offer a training covering VMware vCenter orchestrator called “VMware vCenter Orchestrator: Develop Workflows [V4.1]” in EMEA. This hands-on training course explores the use of VMware vCenter Orchestrator for the automation of IT processes, both physical and … [Read more...]

Masking LUN paths using PowerCLI

I got a question on my previous post about the Get-EsxCli cmdlet, ESXCLI the PowerCLI way, from Alasdair Carnie who was having trouble using the Get-EsxCli cmdlet to mask luns at the ESXi host level. In this post I’ll show you how to accomplish LUN masking at the ESXi host level. Note 1: Before you read any … [Read more...]

Managing VMware DRS rules using PowerCLI

One of the core features of VMware vSphere is the Distributed Resource Scheduler (DRS). VMware DRS is vSphere’s workload load balancer and relies on VMware vMotion technology to live-migrate workloads from one ESX host to another. You can constrain the VMware DRS decisions by defining DRS Rules. As of vSphere 4.1 there … [Read more...]

Living the dream

Who would’ve thought that 2011 would become such a great year for me? Earlier this year a dream came true with the release of our PowerCLI book on March 28th. Now, only 2 months after, another dream is about to happen. I think I can honestly say that I’m living my dream right now. Well, it’s official. I will be joining … [Read more...]