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VMware Integrated OpenStack 4.1

19 January 2018
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Reading Time: 6 minutes VMware has announced the general availability (GA) of VMware Integrated OpenStack (VIO) 4.1. The new release is based on top of the Ocata release and support for the latest versions of VMware products, across vSphere, vSAN, and NSX V|T (including NSX-T LBaaSv2). OpenStack is a framework for providing developers with cloud-style APIs and tools on top of a choice of virtual infrastructure technologies. OpenStack software controls large pools of computing, storage, and networking resources throughout a datacenter, managed through a dashboard or via the OpenStack API. OpenStack works with popular enterprise and open source technologies […]

VMware

Is the HTML5-based vSphere Client ready to replace the vSphere Web Client?

15 January 2018
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Reading Time: 8 minutes Note that this post has an updated version (Is the HTML5-based vSphere Client finally mature?) and become obsolete with the vSphere 6.7 Update 1 release where the client it’s finally complete. VMware vSphere, during its history and the different versions, has got several types of GUI clients. One of the most used (not the first, but the standard one since Virtual Infrastructure 3.0) was the vSphere Client for Windows. But on May 2016 VMware has announced that the Legacy C# Client (aka thick client, desktop client, or vSphere Client) will no longer be available with […]

vSphere

Meltdown and Spectre: check a vSphere environment

13 January 2018
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Reading Time: 6 minutes Meltdown and Spectre are critical vulnerabilities existing in several modern CPU: these hardware bugs allow programs to steal data which is currently processed on the computer. Meltdown and Spectre can affect personal computers, mobile devices, server and several cloud services. Actually, the only way to minimize those security risks is to patch your operating systems, but also the hypervisor level and the hardware level (if vendors provide a new firmware).

vSecurity, vSphere

The dark side of stretched clusters

12 December 2017
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Reading Time: 17 minutes This is an article realized for StarWind blog and focused on the design and implementation of a stretched cluster. A stretched cluster, sometimes called metro-cluster, is a deployment model in which two or more host servers are part of the same logical cluster but are located in separate geographical locations, usually two sites. In order to be in the same cluster, the shared storage must be reachable in both sites. Stretched cluster, usually, are used and provided high availability (HA) and load balancing features and capabilities and build active-active sites.

General, vDesign, VMware, vSphere none

ESXi 6.5 scratch partition issues

8 December 2017
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Reading Time: 3 minutes In the VMware ESXi 6.x partitions layout, usually, there is a partition called “scratch” that hosts the log, the updates, and other temporal files. Scratch space is configured automatically during installation or first boot of an ESXi host and is not required to be manually configured. If you install ESXi on a local hardware disk (or also if you are using a remote LUN in “boot from SAN” mode), this partition is built during the installation phase (it’s 4 GB Fat16 partition created on the target device during installation, if there is sufficient space). If […]

VMware, vSphere none

VMware Cloud Foundation 2.3

6 December 2017
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Reading Time: 3 minutes VMware Cloud Foundation is VMware’s unified SDDC platform for the hybrid cloud and it’s based on VMware’s compute, storage, and network virtualization technologies to deliver a native integrated software stack that can be used on-premises for private cloud deployment or run as a service from the public cloud with consistent and simple operations. VMware has announced the upcoming release of VMware Cloud Foundation 2.3.  This new release comes with many new capabilities to help further simplify the tasks of deploying, operating and maintaining a VMware based hybrid cloud.

VMware none

VMUG CZ Meeting – My presentation

4 December 2017
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Reading Time: 2 minutes On December, 4th 2017, I’ve been invited at the VMUG CZ Meeting and it was a nice opportunity to meet some friends (and know new friends). It was also the opportunity to bring my experience with stretched clusters, mainly in VMware environment, in a presentation that I’ve titled “The dark side of stretched cluster“, in order to pointing not only at the pro of this configuration, but also at the possible cons.

Events, VMware
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