Why to use ext4 filesystem over ext3

There are various reasons why to choose ext4 over the rest of the filesystems. In order to be able to use the superb ext4 you will need to run a kernel >= 2.6.28. Ext4 is the evolution of the most used Linux filesystem, Ext3. In many ways, Ext4 is a deeper improvement over Ext3 than Ext3 was over Ext2. Ext3 was mostly about adding journaling to Ext2, but Ext4 modifies important data structures of the filesystem such as the ones destined to store the file data. The result is a filesystem with an improved design, better performance, reliability and features.

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VMware virtualization

Virtualizing a single physical computer is just the beginning. VMware offers a robust virtualization platform that can scale across hundreds of interconnected physical computers and storage devices to form an entire virtual infrastructure. Ofcourse there are various virtualization technologies, we’ve just comparing Vmware with a few others in this article from our experience running 50+ virtual machines under Xen, Vmware and Virtuozzo. As we are focused on Vmware in this article we will start by giving a brief description of it’s main characteristics.

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