NCAR海量存储系统中的文件迁移

Digest of Papers Ninth IEEE Symposium on Mass Storage Systems, 1988. 'Storage Systems: Perspectives' Pub Date : 1988-10-31 DOI:10.1109/MASS.1988.72796

Erich Thanhardt, Gene Harano

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引用次数: 13

摘要

截至1988年7月25日，美国国家大气研究中心(NCAR)的大容量存储系统(MSS)在291000多个比特文件中包含了55.8 tb的用户数据，平均大小超过23兆字节(MB)。大部分数据存储在IBM 3480磁带盒的一个(非自动化的)库中，其余数据暂时驻留在IBM 3380e磁盘场中。本文讨论了为磁盘场和磁带库之间的文件移动开发有效管理策略所使用的策略、所选择的算法、为调优这些算法而实现的机制，以及由此对系统性能产生的影响。>

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File migration in the NCAR mass storage system

As of July 25, 1988, the mass storage system (MSS) at the National Center for Atmospheric Research (NCAR) contained 55.8 tb of user data in more than 291000 bitfiles averaging greater than 23 megabytes (MB) in size. The bulk of the data is housed in a (nonautomated) library of IBM 3480 tape cartridges, and the remainder resides temporarily on a disk farm of IBM 3380e disks. A discussion is presented of the strategy used in developing an effective management policy for the movement of files between the disk farm and tape library, the algorithms chosen, the mechanisms implemented for tuning those algorithms, and the effects on system performance experienced as a result. >

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Digest of Papers Ninth IEEE Symposium on Mass Storage Systems, 1988. 'Storage Systems: Perspectives'

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