14 January 1987 Interfacing Strategies For Optical Digital Data Devices In Mass Storage Systems
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Abstract
Part 1: Review of the CRAY-1A/StorageTek (STK) 0,0'3 interface strategy. Part one of the paper is based on a previous publication and will discuss the problems involved in constructing a high-speed data path between a CRAY-1A and the STK optical digital data disk (0D3) utilizing Network Systems Corporation (NSC) HYPERchannel* adapters. The test connection architecture, data structures, data rate experience, and resulting inter-face designes for a Local Device Network (LDN) will be discussed. Part 2: Examination of the interface strategy currently being implemented for a CRAY X-MP/ 4800 Part two of the paper will discuss an interface strategy being put in place for two large-scale computers, a CRAY X-MP/4800 and a CRAY-1A using a new NSC adapter. This strategy can be expanded to a number of large-scale host computers within a local network. At present, this interface does not deal with any optical device. It is being constructed to interface high-speed host computers to IBM-compatible storage devices which are also accessed by a Mass Storage Control Processor (MSCP) node in the NCAR Local Network (NLN). This portion of the paper emphasizes the interface that will be in place whenever an OD**3 device becomes available. Thus, we hope to show (ahead of device availability) what a typical large user of such OD 3 devices expects in the way of interface requirements and logical data formatting of the devices.
© (1987) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Bernard T. O'Lear, David L. Kitts, "Interfacing Strategies For Optical Digital Data Devices In Mass Storage Systems", Proc. SPIE 0695, Optical Mass Data Storage II, (14 January 1987); doi: 10.1117/12.936864; https://doi.org/10.1117/12.936864
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