In some cases, when analyzing the storage needs for a VDI platform we look at saving disk space when using template-based or non-persistent desktops. Nevertheless, it is necessary to bear in mind that all the I/O operations on disc in a standard job platform are made on local discs located in each post.
In a VDI environment, all these I/O operations take place concurrently on shared storage. Tasks such as updates of OS patches, antivirus, user logins scans… produce a large amount of concurrent I/O operations that are referred to as “storms”. These storms produce a deterioration in the performance of the storage because these I/O operations are accumulated in queues and this, obviously, causes an irregular performance of the virtual desktops.
Very shortly after Citrix announced its Linux technologies for vApp and virtual desktops in XenDesktop and XenApp, VMware reported that Horizon View will support Linux in 2015. And why these firms have decided to take this step? It is very simple. Companies using Linux and Windows would find a VMware and Citrix unified virtualization tool very useful.
In this way, they would no longer maintain two virtualization platforms, two support teams, two protocols, two clients and two different environments. They could manage everything centrally.
UDS Enterprise extends the range of supported operating systems. The next version of this connection broker will provide, among others, virtual desktops for Red Hat based distributions. In this way, Fedora, CentOS… join the Linux distros family compatible with this software.
The UDS Enterprise development team is working on its new version, which will be released in Q1 2015.
The Top500 list, which sets the ranking of supercomputers worldwide, has been published this week. Tianhe-2, developed by the University of Defense Technology of China, still holds the first place. And what is its operating system? Linux, the one chosen by experts for years to handle the fastest and most powerful computers in the planet.
In the list released in November 2014, the 97% of supercomputers, in particular 485 of 500, run on Linux. The next most used operating system is Unix and only one computer from the entire list runs Windows.
If you want to know more details about this ranking, have a look at this article.
There are Linux-based (either Debian, SUSE or, of course, Red Hat) desktop virtualization solutions which are fully Open Source. Any modern version of a Linux distribution incorporates support for KVM, so if your hardware allows it, it turns the operating system into a hypervisor platform. On this basis we install oVirt, which will be responsible for transforming the Linux into a node of our virtualization system.
Finally, we will need a virtual desktop management platform as UDS Enterprise, which has a fully Open Source version and, in the same way as Red Hat, there is the possibility of hiring support, updates, patches and maintenance.
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