Abstract
The concept of Software Defined Storage (SDS) has become very popular over the last few years. It is used in public, private, and hybrid clouds to store enterprise, private, and other kinds of data. Ceph is an open source software that implements an SDS stack. This article analyzes the data found on storage devices (Object Store Devices (OSDs)) used to store Ceph BlueStore data from a data forensics point of view. The Object Store Device (OSD) data is categorized using the model proposed by Carrier into the five categories file system, content, metadata, file name, and application category. It then describes how the different data can be connected to present useful information about the content of an OSD and presents the implementation of a forensic software tool for OSD analysis based on Ceph 12.2.4 luminous .
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