Disk defrag app for Ubuntu?

[Cityscape]

Where can i get a free defrag program for Ubuntu?
Do any have scheduled defrag?
Which will work fastest on slower hardware (667 MHz CPU) ?

Thanks for any help

[k420]

Read this article http://geekblog.oneandoneis2.org/ind..._defragmenting

[michy99]

Linux file systems have very little fragmentation, so it is usually not a problem.

[salvachn]

Try

fsck -f

This will show you the amount of fragmentation. If the output says less than 10% of your files are non-contiguous you need not defrag. I know of a utility called defrag, but am not sure if it works in ext3.

[k420]

Try

fsck -f

This will show you the amount of fragmentation. If the output says less than 10% of your files are non-contiguous you need not defrag. I know of a utility called defrag, but am not sure if it works in ext3.

This causes sever dmagae if run while mounted

[salvachn]

@ k420
That was a pretty insightful article! Thanks.

[prvteprts]

I know there really isn't a need to defrag a Linux filesystem. But here's my question: Is there an app for Ubuntu/Linux to defrag FAT and/or NTFS?

Why would we need this? Well it may be the case that most of us have partitions other than / and swap, which we use to store files that other OSes can read. Also if you dualboot with a legacy ******* installation, it would sometimes be useful to be able to defrag C: from Ubuntu. Like in my case, I don't really like booting into XP anymore, but I still keep it (legacy install) in case someone else needs to use my computer or just to check if new hardware are functioning when I can't get them to run in Ubuntu.

Perhaps the same could be said about virus scanners. Yes, at this point there is no real virus threat for Linux users. But I have installed antivirus software on Ubuntu so that 1) I could clean *******-based partitions from viruses, and 2) I could prevent spreading viruses to my friends or family who use *******.

[logos34]

Like in my case, I don't really like booting into XP anymore, but I still keep it (legacy install) in case someone else needs to use my computer or just to check if new hardware are functioning when I can't get them to run in Ubuntu.

yeah, I've always wondered why there's no defrag tool in ntfsprogs tools suite...lots of people have ntfs data partitions they access from linux while hardly running doze anymore

[TrakerJon]

Defrag (or fidefrag I should say)

sudo apt-get install bzr python-psyco
bzr branch lp:fidefrag
cd fidefrag/src
sudo python fidefrag.py -d /<directory name>


Don't defrag /sys (you won't like the result) I usually just defrag /usr /home /var /lib and /etc

[hal8000]

Con Kolivas wrote a defrag script:

http://ck.kolivas.org/apps/defrag/defrag-0.06/defrag

After 5 years of use my old Suse /home partition had just a mere 0.5% fragmentation! Filesystem was ext2