brendan.halpin at ul.ie
Wed Oct 25 10:12:46 IST 2006
Brian Brazil <bbrazil at netsoc.tcd.ie> writes:
> On Wed, Oct 25, 2006 at 12:53:05AM +0100, Ciaran Johnston wrote:
>> 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.
I haven't seen this before -- normally (?!) free space chips away
to zero and then everything grinds to a halt. The problem was
triggered by an "apt-get upgrade" after a big interval -- it
downloaded about half a gigabyte onto a relatively small old
I need a new laptop!
Brendan Halpin, Department of Sociology, University of Limerick, Ireland
Tel: w +353-61-213147 f +353-61-202569 h +353-61-338562; Room F2-025 x 3147
mailto:brendan.halpin at ul.ie http://www.ul.ie/sociology/brendan.halpin.html
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