Microsoft acknowledges that it is adding 10000 servers per month to its existing datacentre capacity. It’s new Chicago server farm alone will be able to pack in 300000srvers. MS has the scale to justify this sort of expenditure and infrastructure build, it’s busness model is after all based around software+services, that combination needs lots of storage capacity.
So why on earth does Facebook not source a hosting deal from Microsoft (who after all are a partial owner of FB)? The details of Microsoft’s datacentre-in-a-container interesting for those with an engineering bent. Here follows a couple of videos detailing what Microsoft s up to.