Medha Bhadkamkar Jorge Guerra Luis Useche Sam Burnett Jason Liptak Raju Rangaswami Vagelis Hristidis BORG: Block-reORGanization for Self-optimizing Storage Systems. 183-196 2009 FAST http://www.usenix.org/events/fast09/tech/full_papers/bhadkamkar/bhadkamkar.pdf conf/fast/2009 db/conf/fast/fast2009.html#BhadkamkarGUBLRH09