thanks! I'll set it to 0% then. On Mon, May 10, 2010 at 12:48 PM, Willie Wong <ww...@math.princeton.edu>wrote:
> On Sun, May 09, 2010 at 07:39:01PM -0300, Crístian Viana wrote: > > what exactly is this reserved block count? is it about the number of > inodes? > > does that mean that, by default, regular users can only use 95% of the > > inodes? and why did I use all these inodes? I don't think I have that > many > > small files on this partition... > > When the filesystem fills up, services can start failing left and > right because they cannot write logs, cannot write temp files, etc. At > this point human intervention is necessary: root has to log in and > clear out the disk. But if the $ROOT filesystem is completely full, > one may not even be able to log in and/or that one cannot do any sort > of maintenance that is needed. So you have some sort of circularity. > (In which case you have to reboot, perhaps using another medium...) > > The way out is to reserve some breathing room for root so that when > everybody else is having problems he can still get in and fix the > problem. > > The 5% is historical from days when disks are much smaller. If you > have a sensible partition scheme you only really need to reserve the > blocks on the $ROOT filesystem. If the partition in question (IIRC) is > only for /home, then you can just turn off the reserved blocks all > together. > > Cheers, > > W > -- > Willie W. Wong > ww...@math.princeton.edu > Data aequatione quotcunque fluentes quantitae involvente fluxiones invenire > et vice versa ~~~ I. Newton > >
