Compressing unix disks
Mike Marshall
hubcap at hubcap.UUCP
Tue Mar 8 12:31:31 AEST 1988
* Dump and restore always worked well in the past for defragmenting a disk.
* The real question is why you would want to do this on a BSD system
* (assuming it is 4.2 or greater).
For the benefit of the poster of the original question: BSD 4.2's fast file
system uses a disk management scheme that keeps disk transfer rates near
constant over time (not sensitive to fragmentation through use). 4.2 BSD's
throughput rates are dependent, instead, on the total amount of free space,
which must not be allowed to drop below a certain threshold.
-Mike Marshall hubcap at hubcap.clemson.edu ...!hubcap!hubcap
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