Hello, it’s been a while since I last blogged, had a busy few years, took a sabbatical or there was nothing to blog about without breaching a NDA. Anyway I’m back here with a new issue which may help some of those who are virtualizing latency sensitive workloads, a niche… Continue reading
It has been over two years since I blogged about APD handling bug which I discovered, during partial storage outage in my environment. All path down (APD) handling and VMware Component Protection (VMCP) is not working when you have paths physically connected, but they are not able to serve any… Continue reading
Last couple of weeks were definitely busy for the VMware developers. Not only they released vSphere 6.7 U1. They were also busy fixing two critical data corruption bugs: when running VM snapshots on VMFS after disk extends using vSAN 6.6 and later Another important fixed issue is VM escape possibility… Continue reading
If you are using Intel X710,XL710 or X722 adapters in your environment, you may have already noticed, that LLDP (Link LayerDiscovery Protocol) is not working for you. And you are getting following message “Link Layer Discovery Protocol is not available on this physical network adapter” Apparently those cards have their… Continue reading
In this article I would like to show you how to replace failed HDD (or SSD) drive in VMware vSAN cluster running on Softlayer Cloud. 1. Open web-client and navigate to: Hosts and Clusters -> choose Cluster -> Manage -> Settings -> Virtual SAN -> Disk Management You will see all… Continue reading
Yesterday, we experienced a problem where we couldn’t install ESXi on the one of ours IBM x3650 M4 servers. We suspected it could be a firmware issue as we performed a complete firmware upgrades just before the installation. If you already had your ESXi installed and did the firmware upgrade… Continue reading
Today I’m gonna show you, how to be alerted when VM port is being blocked by security policy defined on portgroup or vSwitch level. If you are not aware so far, these settings prevents VM users (or attackers) to change MAC address from the operating system. There are three security… Continue reading
I am recently spending a lot of time with IBM Softlayer, in particular I am building vSphere running inside Softlayer. In this series of articles I want to show how you can build an environment with vSphere 6 and VSAN inside Softlayer. One important note: although I work in IBM, my view is form… Continue reading
I’m really glad I had opportunity to participate on a RedBook residency regarding IBM FlashSystem V9000 and VMware “Best Practices” (it was actually one of my last thing which I did as IBMer) and till the RedPaper is released for public I decided to write a sneak peek with some… Continue reading
Crowdstrike disclosed a serious VM Escape vulnerability – codename VENOM, CVE-2015-3456 which has been around here since 2004. This one is especially serious because it is affecting the VMs in their default configuration and could be also affecting thousands of the VMs in cloud. This vulnerability may allow an attacker… Continue reading
