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Defragmentation Of Linux Filesystem

polishlinux.org — There is a myth that “linux filesystems don’t need to be defragmented.” As it may be truth in general, it still can be dispelled by a simple script, which creates a certain number of directories and in each of them creates and deletes a certain number of files - in, let’s say, two passes. So, does your filesystem need defragmentation?

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  • iRelinquish, on 05/25/2008, -0/+6Ext4 will have (online) defragmentation built in
  • iRelinquish, on 05/25/2008, -1/+4let me guess who didn't read the article?
  • cquinnd, on 05/25/2008, -0/+2Fragmentation will also occur as updates to previously created files exceed the initial allocated space they were based on. This happens even with Ext filesystems.

    Defragmentation is also an important first step towards file an disk optimization.
  • samurimaster, on 05/25/2008, -0/+1Mirror http://209.85.141.104/search?q=cache:oztf2HOeyoUJ: ...
  • n0odles, on 05/25/2008, -1/+1Are you kidding me, you write script within the filesystem and label it defragmentation?
  • tama00, on 05/25/2008, -0/+0Do you honestly want to benchmark your pc before and after you defrag and prove to me how much it optimises it.

    Unless you are very low on disk space it is a waste of time. The improvements if any are so insignificant you wont even notice it.

    I run Linux servers that thrash data in and out of disks all day long, and once we actually did try defraging the hard drive for extra performance. It went from 1.2% fragmentated to 0.86% and no improvements were noticed AT ALL! and shortly after it went back to 1.2% and stuck there.

    We concluded there is absolutely NO REASON you should bother defragmentating your hard drive unless your disk is full.

    You wonder why they dont even develop an ext3 defragmentation tool. Because it is NOT NEEDED! They even say it on the ext3 website!!!!!!!

    SO ***** YOU
  • tama00, on 05/25/2008, -4/+3Linux does not need defragging PERIOD! end of story, now close the book and enjoy using Linux because sure there are ways but i can bet you $100 you are wasting your time.

    Only fragmentation will occur once the drive is REALLY FULL like 99% on big drives these days. and if thats the case just get a new hard drive ffs.

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