In Message <2077a61d.13880-is@Beverly.Rhein.DE> ,
   is@beverly.rhein.de (Ignatios Souvatzis) wrote:

=>Does anybody actually use it? How are the experiences?
=>
   You might want to glance at the November 1994 ACM Transactions on
Computer Systems and the article "A New Approach to I/O Performance
Evaluation...". One of their tests was on Sprite LFS, with data sets
of size 2MB, 15MB, and 36MB. For 2MB, reads and writes were about the
same speed, since both were cached. For 15MB, writes were much slower,
since the write cache is smaller than the read cache. For 36MB, writes
actually became faster since the data set was large enough to work the
disk and allow LFS's write-optimized design to kick in. So LFS would
only seem to be useful when the active data set is large.

                                      Gary D. Duzan
                         Humble Practitioner of the Computer Arts