On Wed, Oct 25, 2006 at 12:53:05AM +0100, Ciaran Johnston wrote:
> On Wednesday 25 October 2006 00:18, Brendan Halpin wrote:
> > I've got myself into an awkward state with "apt-get upgrade" on my
> > laptop. I think the problem has to do with apt-get reserving disc
> > space and somehow not yielding it. df tells me I have 0 k free
> > space in /, but the "used" amount is less than the partition size.
> > Moreover, root can write despite the no-free-space, but users
> > cannot.
>> Probably because space is reserved on the filesystem for the superuser. Not
> sure how much, but 5% seems to ring a bell. I believe it is tunable - ah,
> yes, from "man mke2fs"
>> -m reserved-blocks-percentage
> Specify the percentage of the filesystem blocks reserved for
> the super-user. This avoids fragmentation, and allows root-
> owned daemons, such as syslogd(8), to continue to function cor???
> rectly after non-privileged processes are prevented from writ???
> ing to the filesystem. The default percentage is 5%.
You can use tune2fs to change it on the fly. You can also change what
user/group can use the reserved space. Note that having a disk this full
is likely to cause fragmentation.
Brian
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