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WIPS: a write-in-place snapshot file system for storage-class memory

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4 Author(s)
E. Lee ; Seoul National University, Republic of Korea ; S. Yoo ; J. Jang ; H. Bahn

A new snapshot file system for storage-class memory is presented. The file system reduces the overhead of snapshots, in terms of both space and the number of writes, by using in-place writes. Experimental results with real workloads show that the proposed file system uses 20-65% less space than the well-known copy-on-write snapshot technique, while providing the same reliability.

Published in:

Electronics Letters  (Volume:48 ,  Issue: 17 )