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There should be a mechanism that rearranges logical data blocks on the physical block device according to access patterns:

  • Statistically evaluate access patterns.

  • Rearrange blocks on the physical block device to optimize disk accesses.

  • If there is enough free space on the physical device, one could even duplicate blocks to support multiple access patterns.

To be more explicit: this is not a defragmentation mechanism. It goes even further than that: in some situations it even fragments files in order to improve performance.

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last edited 2007-10-15 17:36:08 by Cinquero