Reducing IO @ the host

Reading Time: 4 minutes Workloads need IO resources to operate correctly and with good response in an information chain. No performance is many unhappy users and business processes grinding to a halt. IO can be networking and storage in this case. As networking IO mostly is less of a problem (but the main line goes for networking IO also), … Continue reading »Reducing IO @ the host

Categories: IO

NTP and the hey didn’t I set it up woes

Reading Time: 4 minutes Once in a while I come across a production network where there are some unexplained issues in the environment. Some (or a lot depending on the environment) can be because of time synchronization woes. Mostly because of undocumented or partly unconfigured time services. Why is this an issue? Time is inherently important to the function … Continue reading »NTP and the hey didn’t I set it up woes

vSphere Performance monitoring tools standard available

Reading Time: 3 minutes I am currently working on a project where we are optimizing the virtual infrastructure which consist of vSphere and XenServer hypervisors. In the project we want to measure and confirm some of the performance related counters. We got several standard tools at the infrastructure components to see what the environment is capable of and check … Continue reading »vSphere Performance monitoring tools standard available

Managing multi-hypervisor environments, what is out there?

Reading Time: 5 minutes A little part of the virtualization world I visit are in the phase of doing multi-hypervisor environments. But I expect more and more organizations to be not one type only and are open to using a second line of hypervisors other then their current install base. Some will choose on specific features or on product … Continue reading »Managing multi-hypervisor environments, what is out there?

Virtual Infrastructure WAN Benchmarking with Dummynet

Reading Time: 4 minutes Ever had a customer environment where either a deployment is done over WAN links or the customers wants to change there WAN links, and they (or you in planning or testing phase) are interesting to see what happens in advance? Or you just want to know how latency or ping drops in a WAN link … Continue reading »Virtual Infrastructure WAN Benchmarking with Dummynet

VMware Horizon View 5.3 is available for download and new feature list

Reading Time: 2 minutes VMware Horizon View 5.3 is available for download and can be downloaded at the following location: https://my.vmware.com/web/vmware/info/slug/desktop_end_user_computing/vmware_horizon_view/5_3. So what new features are available with version 5.3? The following features are new to this version: 3D graphics with virtual dedicated graphics acceleration (vDGA). This leverages view to use complex 3D graphics in your VDI environment. In combination with … Continue reading »VMware Horizon View 5.3 is available for download and new feature list

VMware NSX Series – Data flow without control plane

Reading Time: 4 minutes In my last blog post (you can read it here: https://www.pascalswereld.nl/post/67365305981/nsx) I wrote about NSX architecture with the out of band components such as NSX manager and NSX controller cluster (management and control plane). But do they realy don’t interfere with the data IO? Time to find out! I am using the HOL NSX lab … Continue reading »VMware NSX Series – Data flow without control plane

Categories: NSX

VMware NSX Series – Introduction and components

Reading Time: 5 minutes This year VMware introduced some new solutions to the software defined data center (SDDC), namely Virtual SAN (or VSAN) for the storage and available solutions and NSX for the network and security layer. Or software defined storage resp. software defined networking. Virtual SAN will be general available H1 2014. Beta has been released a while now, … Continue reading »VMware NSX Series – Introduction and components

Categories: NSX

Learning Puppet – getting the Puppet learning VM

Reading Time: 2 minutes While trying to learn Puppet you should probably first want to know what Puppet is. What is Puppet and what can we do? Puppet is an automation configuration management tool from Puppet Labs. It’s supports automation cross-platform, for example in several OS like Windows, Linux but there is also VMware vCenter integration. With its integration with … Continue reading »Learning Puppet – getting the Puppet learning VM