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Testing Scenario's VMware / HP c-Class Infrastructure
Since my blog about Understanding HP Flex-10 Mappings with VMware ESX/vSphere is quite a big hit (seeing the page views per day) I decided to also write about the testing scenario’s which should all be...
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SCSI Bus Sharing on the VM Boot Disk SCSI Card
Lately I’ve been asked to review a PID (Project Initiation Document) for a new File Server project based on Linux/GFS v2 (General File System) hosted on VMware vSphere. I noticed that the PID was...
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Using LeftHand Snapshot techniques within a VMware Environment
I recently got a question from the backup architect asking me about LeftHand snapshot techniques to make backups of VM’s. The current storage design classifies VM’s based on their Recovery Point...
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Joining VMware PSO!
Its official now, I’m joining VMware PSO starting at the 1st of April! (no joke) and will become a direct colleague of Frank Denneman who joined PSO earlier this year. Last year I’ve spoken to Duncan...
View ArticleMy VCDX Defend Experience
Let’s directly start with the most important news; I’ve passed my VMware VCDX defend and got VCDX Number #040! Very Cool!! The story: two weeks ago I travelled to Munich to do the final and biggest...
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BIOS settings in a VMware ESX(i)/vSphere Environment
Over the last period I’ve noticed that a lot of customers aren’t aware of BIOS settings that can be changed as a best practice for VMware ESX(i)/vSphere environments. In this article I want to outline...
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How to get Device Identifiers for I/O Devices
Recently I got a few questions about the VMware HCL and how to verify I/O devices without knowing all the key details of the device. Let’s start of by looking at the VMware HCL, note that there are...
View ArticleSelf-employed, delivering Virtualization Consultancy
After working for VMware for over a year I decided to take the next step in my career: to start Van Ditmarsch Consultancy As a contractor I will be available to do Virtualization Consultancy, primarily...
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Datacenters vs Clusters within the vCenter Inventory
Recently I got involved in a discussion about “Creating multiple Datacenters with one Clusters rather than one Datacenter with multiple Clusters” First of all lets get the definitions of these objects...
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Migrate to new vCenter Server while using dvSwitches
During vSphere 4.x to 5.x updates I occasionally run into the situation where dvSwitches are used on the current vCenter4 and the customer wants to install a fresh copy of vCenter5 (with a new...
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vSphere Authentication Proxy: Cannot complete login due to an incorrect user...
During configuration and testing of the vSphere Authentication Proxy we discovered some problems that make the use of the Authentication Proxy very unreliable within multi Domain Controller...
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Auto Deploy: ESXi Stateful Install with multiple LUNs connected fails
Recently I have been experiencing some troubles with VMware Host Profiles, Auto Deploy and the stateful install of ESXi 5.1 (Update 1). After the Host Profile gets applied, the system eventually times...
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BL460c Gen8: Not detecting SD-Card during ESXi 5.1 Installation
While installing new HP BL460c Gen8’s (Xeon E5-2680 v2) we discovered some strange behavior while setting the HP Power Profile setting to “Maximum Performance”. It appears that this setting causes the...
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The OVF package is invalid and cannot be deployed.
While deploying a random OVF image within vSphere I received the following error message: The provided network mapping between OVF networks and the system network is not supported by any host. I was...
View ArticleReset VMware Auto Deploy Database to default
One of the things that the VMware Auto Deploy Database contains is the ESX Images that are uploaded and related to the DeployRules that are created. For instance, if I add an ESXi Image to the software...
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Filtering and Auditing within vRealize Log Insight
The article below describes one of the ways to implement vRealize Log Insight into an environment where a (security departments) syslog server is already available and where this server ideally only...
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