Cloud storage on a budget ...

Very interesting and incredibly cool (supports my predjudices against logo'd boxes) and they include a parts list:

http://www.backblaze.com/petabytes-on-a-budget-how-to-build-cheap-cloud-storage.html

Might be interesting to compare costs against Capricorn - who used to make the google storage nodes (and may still do) - and Iron Systems who have provided the hardware for some digital archiving projects including Clockss. It would also be interesting to know how they play with Gluster ...

(hat tip to Arthur for the initial link)