![]() For those who prefer to create their own direct interface, Sony delivers an optical drive interface that leverages the Sony MMC-6 SCSI multimedia command set. With these options, redundancy is provided through erasure coding. Everspan software support includes the S3 object store as well as file system support. The system is designed with industry-standard system interfaces (S3, LTO, Optical drive Sony MMC-6 SCSI) for easy integration into existing applications and environments. ![]() It is able to transfer almost 18 GB of data per second. To give a sense of scale, if you were to envision one bit of data as the equivalent to one second, then 1PB is the equivalent of 285 million years.Įach library occupies around 500 square feet of datacenter floor space (fully expanded).Įverspan utilizes fully automated robotics, providing both high speed and efficiency between the stored media and optical drives. Up to four systems can be connected in a single system, giving access to an astounding 724PB of total addressable storage. The system is scalable to allow up to 13 additional Expansion Units (14 total) to be added that will scale to 604,928 total discs, holding 181PB of data. Each drive uses four lasers per disc side that accelerate both reading and writing the data from the 300GB Archival Disc media. Each of the Sony optical array drives (ADZ-D3) has an average transfer rate of 280 MB/s. Houses up to 64 of the Archival Disc (AD) drives, the Robotic Unit that moves media back and forth and an Expansion Unit that houses The core Everspan Library consists of a Base Unit "controller" that ![]() Sony claims that unlike tape or hard disk drives which need to be refreshed/replaced every 5-7 years, the Archival Disc can support data storage for over 100 years in data center environments and thus, Sony is offering 100 year warranty for optical media. The optical library system utilizes Sony's 300 GB Archival Disc to store data. Sony Optical Archive, a subsidiary of Sony, today unveiled the Everspan Library System, a scalable optical library system solution that delivers high-capacity archiving capabilities and could "threaten" tape leaders like Oracle and IBM.
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