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| Ted Unangst <tedu@stanford.edu> wrote: > settings that matter are block size and frag size, and occasionally -i. What about cylinder group size (-c)? Default cylinder group sizes are ridiculously small for modern disk sizes. FreeBSD used to recommend that people use the maximum cylinder group size allowed by the other filesystem parameters. A while ago they then changed newfs to do this by default. They also went from 8k/1k to 16k/2k by default, which also happens to about quadruple the maximum cylinder group size to ~150M. (Still tiny on 100G disks.) -- Christian "naddy" Weisgerber naddy@mips.inka.de |