If you're headhunting a cloud computing expert, specifically someone who knows Amazon Web Services (AWS) and EC2, you'll want to have a battery of questions to ask them to assess their knowledge. As with any technical interview focus on concepts and big picture. As the 37Signals folks like to say "hire for attitude, train for skill". Absolutely!
1. Explain Elastic Block Storage? What type of performance can you expect? How do you back it up? How do you improve performance?
EBS is a virtualized SAN or storage area network. That means it is RAID storage to start with so it's redundant and fault tolerant. If disks die in that RAID you don't lose data. Great! It is also virtualized, so you can provision and allocate storage, and attach it to your server with various API[Read more...]