"Michael R. Wayne" <wa...@msen.com> wrote: >Long ago, back when disks were small, slow and expensive, someone >wrote a program that properly defragged a Unix filesystem.
If it was that long ago, chances are it is pre-FFS - the System 5 File System and its predecessors. I remember using a Motorola SysVR3 system that included a disk de-fragmenting tool. Re-writing a disk in-place will always be slow because you're mostly doing small I/O's at random places on the platter. dump/newfs/restore is the safest way to defragment a disk. It's probably faster than an in-place de-fragmenter as well. Peter To Unsubscribe: send mail to majord...@freebsd.org with "unsubscribe freebsd-hackers" in the body of the message
