[Soekris] MFS filling up on net4521

[Chris Babcock]

Brian Candler wrote:
> On Sun, Jun 15, 2008 at 08:20:23PM +0200, Bill Maas wrote:
>> A significant part of it
>> does not seem to be accounted for as actual disk usage:
>>
>> df -h:
>> Filesystem  1K-blocks  Used  Avail Capacity  Mounted on
>> mfs:22103   7.7M       5.4M  1.9M    74%    /var
>>
>> du -sh /var:
>> 1.8M    /var/
>>
>> After a reboot it's back to a sane value (~20M). Leaks? Allocation
>> issues?
> 
> Something holding one of those files open in /var?

Yeah, it does sound like deleted inodes being held open.  Anybody know 
if LSOF can display open but deleted inodes?

As a test, when one of the boxes gets low, try killing and restarting 
all of the processes LSOF displays with resources open on /var, and see 
if the utilization changes.

-Chris