History
Research by Garth Gibson et al. on Network Attached Secure Disks (NASD) in the 1990s explored the ability to move more processing power closer to the disk drive in a network-attached storage environment. A more powerful processor could implement features such as space management (i.e., block allocation) and provide a more abstract interface of reading and writing bytes to flexible data containers. Access control was an important aspect of the research, and Howard Gobioff described a security protocol for object storage that allowed a security manager to provide fine-grained access control to a shared storage device on a network. The general goal of the research was to provide a higher-level building block that could be aggregated together to provide large scale, secure storage systems.
The first version of the OSD command set for SCSI was standardized in 2004. The second version of the command set (OSD-2) was finalized in late 2008 but remains stalled in the standardization process. OSD-3 is now in development.
Read more about this topic: Object Storage Device
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