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?