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    SubjectRe: Large disk partition over 300GB
    Khimenko Victor wrote:
    >
    > In <378B0916.F3588C8E@mandrakesoft.com> Thierry Vignaud (tvignaud@mandrakesoft.com) wrote:
    > > Miquel van Smoorenburg wrote:
    >
    > >> Ofcourse you realize that setting -m to 1 or worse, 0, will result
    > >> in a badly fragmented disk when it fills up and really bad performance.
    > >>
    > >> The reason that 5% of disk space is reserved is to always have some
    > >> room left. The ext2 allocation algorithm needs this to prevent fragmentation.
    >
    > > I think the main reason is to let the sysadmin to fix the system in case
    > > of problem and to prevent users from filling all the free space. A lot
    > > of utilities need free space for temporary files. How do you edit a conf
    > > file if there is no room ?
    >
    > And utilities can NOT use this free space :-)) And you can NOT use this room
    > for conf files editing (unless you are root, of course)... No, main reason is
    > to give ext2fs defragmentation algorithm space to breathe.

    the root user __DOES__ can use this space (or any other user you specify
    with tune2fs). should a user eats all the free room (less the 5%), root
    can still log in and free up some space for 'normal' user...
    This is a security feature.
    --
    MandrakeSoft http://www.mandrakesoft.com/
    --Thierry

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