lkml.org 
[lkml]   [1999]   [Jul]   [13]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
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

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.rutgers.edu
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2005-03-22 13:52    [W:0.070 / U:0.664 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site