Jun-Yeong Lee  Moon-Hyun Kim  Kyeong-Jun Kim  Seo-Young Noh

10.5626/JOK.2022.49.3.189

EOS Distributed File System bare-metal Virtualization KVM

To store large amounts of data, the distributed file system has been used in many research facilities and large-scale data centers. Traditional distributed file systems were configured by installing a distributed file system which is referred to as “bare-metal”, directly on server. Recently, with easy management and fast failover capabilities, these systems have been configured and delivered through a virtual environment. In this paper, we analyzed the EOS distributed file system developed and used by CERN(Conseil Européen pour la Recherche Nucléaire), which produces the largest amount of experimental data in the world And using both Bare-Metal environment and KVM(Kernel-based Virtual Machine)-based virtual environment, we analyzed the file system performance of these two environments. We compared the performances and analyzed the different environmental characteristics and presented the advantages of the I/O performance of the distributed file system in the virtual environment from our experimental results.