One of my intentions for 2018 was to relaunch my blog. For several years I have had a blog which I completely neglected. My previous post dates back to 2013 :-( I decided to migrate my blog away from wordpress, where it was previously hosted. The reason behind this migration is twofold Use the blog to learn additional …

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I wrote a PowerCLI script for a customer to organize his datastores in a couple of folders. The script moves the datastore to a folder according to the vSphere hosts cluster that uses the datastore.

This is done based on the name of the datastore which contains an identifier for the cluster it’s connected to. The …

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During failover tests in a stretched metro cluster environment we ran into some problems when recovering from a Permanent Device Loss state (PDL). The failover tests ran successfully. The vSphere servers reacted as expected when testing a split-brain scenario on the VPLEX cluster. The VMs which where running in the …

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During the installation of vCenter 5.1 on a Windows server 2012 I ran into an issue where the installation of the vCenter failed. The prerequisite services installed without problems but the vCenter service failed to install. The installation stopped with a Failed to install VMware vSphere Profile-Driven Storage error. …

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Integrating Hyperic within VCOPS is fairly simple and similar to integrating other solutions. VCOPS uses adapters to establish this integration. First step is to install the Hyperic adapter, this process is the same as updating the VCOPS installation. Open the update tab in the administration portal. Point the update …

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After the installation of the latest vSphere 4.1 patches all our hosts showed a warning regarding the Tech Support Modes being enabled. I took the time to write a script to start/stop theses services on the hosts in the vCenter server. 1# 2# .SYNOPSIS 3# Start or Stop Local & Remote TSM 4# .VERSION 5# 1.0 6# …

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One of our vSphere host showed as disconnected in vCenter. Connecting directly to the host with the vSphere client wouldn’t work neither. When restaring the services on the host I was able to connect directly but within one minute the connection between the client and the host would be lost. As I had already …

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After the installation of the latest vSphere 4.1 patches all hosts displayed a warning about Local & Remote Tech Support Mode being enabled. As I didn’t file like manually stopping the services on every host I took the time to write a script which can start/stop Local and Remote Tech Support mode on all hosts …

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One of the new features in vSphere 4.1 is the ability to configure Host affinity rules for DRS. These enable you to split your vSphere cluster in several groups of hosts and assign assign a subset of your VMs to one of these groups. There are plenty of use cases for this: Netapp Metrocluster Applications licensed …

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VMware just released vSphere 4.1, Site Recovery Manager 4.1 and VMware vCenter Server Heartbeat 6.3. What’s new in vSphere 4.1. The downloads can be found at: vCenter 4.1 ESX 4.1 - Release Notes ESXi 4.1 - Release Notes Site Recovery Manager 4.1 – Release Notes vSphere PowerCLI 4.1 vSphere CLI 4.1 vSphere Management …

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