![]() d.), Sector (Gu & Grossman, 2009) and Ceph (Weil et al., 2006).ĭigital forensics in traditional computational environments is a subject thoroughly examined in the last decade. d.), Cloudstore (formerly Kosmos File System) (Cloudstore, n. Such distributed file systems include Google File System (GFS) (Ghemawat et al., 2003), Hadoop Distributed File System (HDFS) (Hadoop, n. To achieve distribution of data, cloud systems make use of a distributed file system (Thanh et al., 2008). Thus, when someone uses a cloud, her data are distributed in a network of clusters around the world. The physical distance between the location of each cluster varies from some meters in one data center to thousands of kilometers between data centers located in different countries or even different continents. ![]() Cloud systems essentially compose a network of distributed clusters forming a pool of resources ready to be used from clients. The term cloud refers to an infrastructure that enables convenient, on-demand network access to a shared pool of resources (e.g., storage, networks, servers, applications and services) that can be rapidly provisioned and released (Mell & Grance, 2009).
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