The addition of a new host server installed with the free XenServer Enterprise 5.5 hypervisor, even if it can be trivial using the XenCenter graphical interface It can easily generate errors even if the host machines are practically the same, of the same brand and model, this is because to allow a painless XenMotion migration, […]
Microsoft’s Cloud Computing platform, which is of the Application/Platform (Saas/PaaS) type, has an interesting service, SQL Data Service (SDS), represents a cloud-based relational database developed with SQL Server 2008 technology of which I recommend to see the presentation in silverlight. Through SDS it is possible to easily use an RDBMS relational database (such as SQL […]
NASA is launching its cloud computing platform called NEBULA in beta, a platform that integrates a set of open-source components into a single self-service platform. From the architecture diagram you can see database elements such as MySQL Cluster, storage network clustering solution such as the Lustre File System, elements of the Eucalyptus cloud system, Trac, […]
Despite the draft definition of NIST, National Institute of Standards and Technology, we continue to talk about Cloud Computing as if it were the technology capable of doing everything. One of these much-mentioned features is the alleged innate scalability of the technology, so let’s start with a proper understanding of scalability first: We can define […]
Some time ago in the in-depth analysis of hypervisor performance we found ourselves faced with a native problem of virtual Simmetric MultiProcessing (vSMP) which would be a methodology of Simmetric MultiProcessing (SMP), thanks to which we can assign more than one virtual CPU (vCPU) to a virtual machine. This feature would allow you to give […]
Months ago we underlined at the bottom of the article: http://blog.vmengine.net/2008/05/30/marten-mickos-ceo-di-mysql-a-la-sapienza-di-roma/ related to the Roman conference of MySQL at Sapienza, about the future possibilities of creating performance using the new native ZFS filesystem of Solaris and the MySQL database engine. Well something was born, thanks to some features of the phenomenal ZFS filesystem and the […]
For those who follow our updates, not long ago we published the following article: high-availability-free-kemari-allo-xen-summit-asia-tokyo On the new horizons of high availability of the XEN open source project. In the demos of the RoadMap of the VMware portal there is a video on a new very interesting feature, VMware Fault Tolerance, which exploits, as it […]
This article is a guide on how to always have your version of the ESX hypervisor in your pocket and be able to try any system if it boots with VMware’s flagship hypervisor, the ESX 3i free version with no limits of use. First of all, you need to have the version that can be […]
Big news from the Xen Summit in Tokyo in November 2008. Below is the agenda: Welcome & Keynote Hitoshi Matsumoto: Welcome Ian Pratt: Xen Project Status – English – Video (177 MB) Kernel Architecture Andrew Warfield: Services in the Virtualization Plane – English – Video (134 MB) Yoshiaki Tamura: Modernization of Kemari Using HVM with […]
On July 28, VMware’s ESXi 3.5 hypervisor, the state of the art of hypervisors It has been made FREE, freely downloadable and installable. Microsoft’s Hyper-V hypervisor is available for free download on October 2nd The Xen hypervisor, notoriously FREE in various versions, can be downloaded in the XenExpress version here The new free version of […]