Yu Hua Yifeng Zhu Hong Jiang Dan Feng Lei Tian Supporting Scalable and Adaptive Metadata Management in Ultralarge-Scale File Systems. 580-593 2011 22 IEEE Trans. Parallel Distrib. Syst. 4 http://doi.ieeecomputersociety.org/10.1109/TPDS.2010.116 db/journals/tpds/tpds22.html#HuaZJFT11