On Wednesday 19 April 2006 02:17, Rafal Szczepaniak wrote: > First according to wikipedia http://en.wikipedia.org/wiki/ReiserFS: > > "Tail packing, a scheme to reduce internal fragmentation. Tail packing, > however, has a significant performance impact; Namesys recommends > disabling the feature in performance-critical applications. " > > "There is no known way to defragment a ReiserFS filesystem, aside > from a full dump and restore. However ReiserFS v4 has a repacker > that takes care of file fragmentation." > > "Gentoo Forum Link - Contains an interesting discussion of fragmentation > in reiserFS, includes a script which measures fragmentation and links > to a script that defragments quite well. " > > And here is the link: > http://forums.gentoo.org/viewtopic-t-429915-postdays-0-postorder-asc-start- >0.html The script is universal and shuld work for all filesystems. > > Very interesting benchmark of different filesystems fragmentation: > http://www.informatik.uni-frankfurt.de/~loizides/reiserfs/agesystem.html#50 >0reiser > > Also interesting interview with JFS, ReiserFS and XFS creators (including > questions about fragmentation policy): > http://www.osnews.com/story.php?news_id=69 > > Detailed explanation of diffrent kinds of fragmentation: > http://linuxgazette.net/issue55/florido.html > > Defragmenting ext3 with defrag: > http://www.newsforge.com/os/03/10/07/2028234.shtml > > And that's all. I hope that'll help the discussion.
Just wanted to say thanks for all that legwork. Nice set of links. -- /path/to/truth _______________________________________________ arch mailing list arch@archlinux.org http://www.archlinux.org/mailman/listinfo/arch
