Projects / defrag

defrag

defrag is a filesystem defragmenter for Linux filesystems

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  •  16 Mar 2002 20:00

    No changes have been submitted for this release.

    Recent comments

    22 Jun 2003 14:55 moncyb

    Re: What about ext3

    > Can this be safely used on ext3
    > filesystems?
    >
    > Also Is this project being actively
    > developed?
    >
    >


    Since the dates in the package are from 1997, I doubt it.

    Ext2 (and therefore ext3) has measures to manage fragmentation, so this utility probably isn't needed. I'm sure there are worst case senarios, but I doubt they affect many systems.

    There are ways to tell if your fs is highly fragmented. The package has a utilitly called frag which would tell you the fragmentation level of a given file--assuming it still works. The stat command from Debugfs will give the block listings for a file, which will allow you to determine how badly fragmented your fs is. If they're all over the place, then maybe some sort of defrag utility will boost performance. Also, I believe the "non-contiguous" line in e2fsck will tell you how badly fragmented your filesystem is.

    27 Mar 2003 11:25 mbaysek

    What about ext3
    Can this be safely used on ext3 filesystems?

    Also Is this project being actively developed?

    16 Feb 2003 11:16 zivilist

    reiserfs support
    Does this tool support reiserfs 3.x ?

    29 Aug 1999 17:46 ultma

    I read the docs...
    It has some info on ext2 users, and says they should get a 10-15% performance increase and whatnot. Thus, I am assuming that the program should work anyway (although I had the same problem as you). However, he also had a comment about 1.1.x kernels at the bottom of the README - not a good sign, I'd say...

    09 Apr 1999 07:02 shadowrom

    Defrag 0.7 doesn´t work with Kernel 2.2 ?!
    This Tool doesn´t compile on Systems with Kernel 2.2!

    Maybe because the Kernel doesn´t support the ExtFs any more!

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