Posts related to virtualization on VMware vSphere
You may be aware about recent academic research regarding potential TPS (Transparent Page Sharing) (enabled by default) vulnerability, where you may be able to determine AES encryption key from memory timings. VMware response for this (although they do not believe it can be used in real world): they will disable… Continue reading
VMware used VMworld to disclose under development features of the new vSphere 6.0 (still in beta). This overview contains functionality which may not actually make it into the public released version. Intro October 16, 9:00 am, last day at VMworld 2014 in Barcelona. Breakout session vCenter Server Architecture and Deployment Deep… Continue reading
The IBM PureFlex System offering combines storage, networking, virtualization, and management into a single infrastructure. More information about IBM PureFlex System can be here Through this guide we will go through the creation of VLAN on PureFlex switches [EN4093 & G8264-TOR] then we will configure it on the vSphere side.… Continue reading
All you need is Tools What is VMware Tools? VMware Tools is a free, optional but highly recommended set of utilities and drivers that enhances the performance of the virtual machine’s guest operating system and improves management of the virtual machine making possible many of the ease-of-use features. With VMware Tools… Continue reading
IBM, HP, DELL are releasing its own customized “embedded” versions of ESXi which contain vendor specific drivers, opened firewall ports for their management solutions, etc. Patches are different for each ESXi version 5.0, 5.1, 5.5. I will show you how to download and implement those patches for IBM x3850 X5,… Continue reading
We get improvement in default values compared with vSphere 5.1 but there are still default values which you need to change directly after host installation Network MTU is set by default to 1500 have to be changed to 1600 VMware recommends for VXLAN setting physical and virtual switch MTU to… Continue reading
Couple of years ago we were asked to provide a working solution for centralized syslog collector. My customer had very tough security rules, and they were strictly against any appliance based, out of the box solution. They needed to have full control over the OS and applications installed. The main… Continue reading
During my work with VMware converter doing P2V migrations jobs I faced few problematic cases during the creation of migration task or once migration job started it fails or when you are checking your application after the migration task finished . So, let me share few of them with you… Continue reading
Here are some guidelines and considerations related to time synchronization for your Virtual Machines design. It seems to be a simple topic and covered well online, however I think it deserves a better attention as I’ve seen huge complications in some environments caused by misunderstanding and miss-configuration. Design Decision:… Continue reading
Some time ago, after I tried to remove ESXi host from vCenter it was still appearing in vSphere client with alert and I couldn’t remove it again. Someone would say it is just cosmetic issue, but for example storage service was failing from initializing because of it too. VMware support… Continue reading
