IBM
http://searchstorage.techtarget.com/definition/IBM-General-Parallel-File-System-IBM-GPFS?utm_medium=EM&asrc=EM_ERU_51254117&utm_campaign=20151217_ERU%20Transmission%20for%2012/17/2015%20(UserUniverse:%201889038)_myka-reports@techtarget.com&utm_source=ERU&src=5462224