> > Actually, the fact that Linux drives don't need regular defragging has > > nothing to do with the file system. > > Actually the fact that linux drives don't get defragged is more > because there are no defragging tools than because there wouldn't > be a performance benefit to having the sectors in fragmented files > moved to adjacent chunks of disk. Manure... There are tools for it but ext2/3/4 and some of the other file systems have allocation algorithms and I/O scheduling policies that make them fragmentation resistant. If you plot fragmentation and performance over time they don't drop off very much even after years of I/O (at least for almost all workloads...). btrfs on the other hand currently seems to have chronic fragmentation problems. So it's nothing to do with tools, its a design property, the core of which comes from the BSD FFS/UFS work in the 1980s. Various other improvements have been added on top of that including block reservations. Alan -- users mailing list users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe or change subscription options: https://admin.fedoraproject.org/mailman/listinfo/users Guidelines: http://fedoraproject.org/wiki/Mailing_list_guidelines Have a question? Ask away: http://ask.fedoraproject.org
