Oracle VM Other Solutions Considered

Robin Saikat Chatterjee
Head of Oracle Exadata Centre of Excellence at Tata Consultancy Services
We evaluated using Oracle VirtualBox, but it was more for desktop virtualization and did not fit with server virtualization. We also tried KVM, but the complexities in migration from one host to another deterred us, and the management was not as seamless for multiple hypervisors. Given Oracle VM's favorable licensing policy allowing hard partitioning using virtualization, we found this to the the most optimal method to recommend to clients. There are compelling reasons why one might prefer Oracle Linux to Red Hat Linux. Some of the major factors are: * One throat to choke. It is very useful to have one vendor on the pointy end of the stick. No finger pointing, and all buck passing is internal. Also, given the dev team is often using the same OS flavor, it can be a benefit in the first place. * Optimised for databases. Many of the options: RPMs and settings which are best used to run a database are packaged into a single RPM that can be automatically deployed on Oracle Linux, but must be painfully and manually setup on RHEL. * Ksplice: The ability to patch all aspects of a running Linux system, including the kernel with zero downtime is something that no other Linux provides. The UEK is enough of a differentiator to get the nod. View full review »
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