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Shingled file system host-side management of Shingled Magnetic Recording disks

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3 Author(s)
Damien Le Moal ; Hitachi Ltd., Yokohama Laboratory, Hitachi Global Storage Technologies, San Jose Research Center, Japan ; Zvonimir Bandic ; Cyril Guyot

Shingled Magnetic Recording disks overlap tracks to increase storage density, and thus require a special processing to achieve unrestricted random sector updates without data loss. The Shingled File System (SFS) is a host-side level solution to this problem and allows more efficient optimizations compared to a disk firmware based approach. Experimental results show that no overhead is incurred for large file workloads, making SFS a suitable solution for video processing devices such as personal video recorders and set-top-boxes.

Published in:

2012 IEEE International Conference on Consumer Electronics (ICCE)

Date of Conference:

13-16 Jan. 2012