High Performance Integration of Advanced Tertiary Stores

高级三级商店的高性能集成

基本信息

批准号：
9972212
负责人：
Darrell Long
金额：
$ 17.04万
依托单位：
University of California-Santa Cruz
依托单位国家：
美国
项目类别：
Standard Grant
财政年份：
1999
资助国家：
美国
起止时间：
1999-06-15 至 2002-09-30
项目状态：
已结题

来源：
https://www.nsf.gov/awardsearch/showAward?AWD_ID=9972212&HistoricalAwards=false
关键词：
Performance Integration Advanced Tertiary Stores

项目摘要

The rapidly growing disparity between processor and I/O performance must be addressed. Two intriguing trends in storage systems are the appearance of new technologies that suffer from asymmetric read-write performance, and the widening gap between data transfer rate and access time. A current example is a tertiary storage system with an automated library mechanism. Such a system exemplifies the wide performance gap between data transfer rate and access time due to mechanical media handling.The goal of this work is to address these issues through the development of techniques for high-performance integration of automated tertiary storage libraries. These issues include:1. Addressing the issue of read-write performance asymmetry, though the use of a log-structured, write-buffered architecture.2. The minimization of mechanical access delays, by pre-grouping related data on the same media volume, as it is migrated from local storage.This research will be of direct benefit to today's growing storage needs by allowing high-performance access to vast storage. It addresses the important issue of latency reduction in cases where data rate far exceeds access speeds. It also enables the efficient general-purpose adoption of emerging storage technologies, such as magneto-optical and volume holographic, by alleviating problems of read-write performance asymmetry.

处理器和 I/O 性能之间迅速扩大的差距必须得到解决。存储系统中两个有趣的趋势是新技术的出现，这些技术受到读写性能不对称的影响，以及数据传输速率和访问时间之间不断扩大的差距。当前的示例是具有自动化库机制的三级存储系统。这样的系统体现了由于机械介质处理而导致的数据传输速率和访问时间之间巨大的性能差距。这项工作的目标是通过开发自动化三级存储库的高性能集成技术来解决这些问题。这些问题包括： 1．通过使用日志结构、写缓冲架构解决读写性能不对称的问题。2．通过在同一媒体卷上预先分组相关数据（从本地存储迁移数据），最大限度地减少机械访问延迟。这项研究将通过允许对海量存储进行高性能访问，直接有益于当今不断增长的存储需求。它解决了在数据速率远远超过访问速度的情况下减少延迟的重要问题。它还通过缓解读写性能不对称问题，实现磁光和体全息等新兴存储技术的高效通用采用。