Storage across datacenters

Wim Provoost, Product Manager of Open vStorage, gave a vBrownBag TechTalk at the OpenStack Summit in Austin about OpenStack storage across datacenters. In this talk he discusses the problems encountered by the Open vStorage team and solutions they applied to build a scalable, block storage cluster across 5 datacenters in the US.Read more …

Location, time based or magical storage?

Storage comes in many forms and over the years multiple strategies to store and retrieve data on disk have been implemented. For Open vStorage I/O is the write or read operation on the LBA (Logical Block Address) of a Virtual Machine. Let's first have a theoretical look at the 3 most important strategies to store data, their benefits and their drawbacks: Location-based storage: Location-based storage stores the exact location where the data is placed. This means that we store in the metadata for each address the exact location in storage system where the…Read more …