Soft-updates & du & df

[Dan Nelson]

In the last episode (Jul 13), Hilco Wijbenga said:
> I've taken over the administration of a FreeBSD box and now I've run
> into a problem that I could not solve by means of Google or the
> FreeBSD mailinglist archives. I am quite familiar with (Gentoo)
> GNU/Linux but a complete newbie when it comes to FreeBSD.
> 
> While I was doing some work I got an error about a device being full.
> As it turned out /var was completely full. Not a big problem because
> there were a few very big log files that I could throw away. Problem
> solved? Apparently not because
> 
> root at svn[var]# df -h /var
> Filesystem     Size    Used   Avail Capacity  Mounted on
> /dev/ad2s1d    248M    246M    -18M   108%    /var
> 
> even though
> 
> root at svn[var]# du -hs /var
>  43M    /var
> 
> Shouldn't du and df roughly agree on the amount that's used/available?

You probably have some deleted logfiles that are still held open by
processes.  Run "lsof +L1 -a /var" to list the files and the processes
(you may need to install lsof from ports).  Kill and restart the
offending processes and your freespace should go back to normal.

-- 
	Dan Nelson
	dnelson at allantgroup.com