DCC filling the filesystem

Peter Beckman beckman@purplecow.com
Fri Nov 22 04:48:37 UTC 2002

install lsof and it will show you all the open files on the file system.
Sometimes programs used to report disk space don't report open files that
are on the disk.  That's all I can think of.



On Thu, 21 Nov 2002, Vernon Schryver wrote:

> > From: Gary Mills <mills@cc.UManitoba.CA>
> . ...
> > I'm seeing regular complaints that dcc's filesystem is full, yet there's
> > a gigabyte of space left...
> >
> > Nov 21 21:55:21 electra ufs: [ID 213553 kern.notice] NOTICE: realloccg /var/dcc: file system full
> > ...
> That looks like a message from the kernel and not from any DCC
> code.  Thus, the UNIX kernel thinks the file system is full at
> least some of the time.
> I see these possible explanations:
>    1. the kernel is confused or the file system is corrupt.
>    2. when the various error messages happen, the file system is full.
>       2a. big files exist when the 22 to 137 MByte DCC files are being
>           shuffled around
>       2b. the files are not really in /var/dcc
> Have I missed anything?
> #1 might be pursued by running `fsck` on the filesystem.
> I don't see how #2b might happen.  Still, it wouldn't hurt to
> try `cd /usr/local/dcc; df -k .`
> I would investigate #2a by looking at things while dbclean is
> running.  That can be done by running the /usr/local/dcc/libexec/cron-dccd
> script in one X window or rlogin/ssh/whatever shell while using
> `ls -la`, `df`, and `du` in another.
> Vernon Schryver    vjs@rhyolite.com
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Peter Beckman                                                  Internet Guy
beckman@purplecow.com                             http://www.purplecow.com/

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