From: Clifton Royston (cliftonrlava.net)
Date: Tue Apr 01 2003 - 13:20:15 CST

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On Tue, Apr 01, 2003 at 04:13:32PM -0300, Ronan Lucio wrote:
> Hello,
>
> Our mailserver has got very slow since yesterday.
> It's taking about 10 minutes to delivery a simple
> message to any user on the own local server.
>
> Looking for something thing weird, I found some
> messages executing pflogsumm...
>
> It's showing several messages like this
> in the section RCPT of message reject detail:
> 452 Insufficient system storage; from=<souzarubenig.com.br> to=<ivanmelim.com.br>
>
> More many message like this:
> Warnings
> --------
> cleanup
> 2 4EE26E0635: write queue file: No space left on device
> 1 91E28E06C2: write queue file: No space left on device

  You are out of space on your hard drive partition!

  It is no wonder you can't receive mail.

> Master daemon messages
> ----------------------
> 3 daemon started
> 1 terminating on signal 15
>
> Here we have two mail server, one of them (smtp.melim.com.br)
> to do only smtp relay and the other one (mail.melim.com.br) also
> does smtp relay (not so used) and it's a pop server where
> messages are stored.
...
> I know that is may be a amavis issue, but, it's working
> fine this way a long time and I have any idea what can
> be taking so many time from the MTA.
>
> May be just two process from amavis listening be so little
> but, what does it have working fine for so long?

  It is running out of space on the file system partition with your
queue files.

>
> Ok, my main doubt is:
> Does anyone can give any idea about what can make my
> MTA wait so many time to delivery the messages?
>
> PS: I found nothing wrong on maillog file.

  Pflogsumm certainly did, where do you think it got the "write queue
file: No space left on device" from?

  You may also have kernel messages logged in other /var/log files
telling you about this.

  Stop Postfix and clean up some space for it so it can proceed.

  And if your system emails you daily reports with the output of "df",
as nearly all UNIX systems do, it is a good idea to read them and
notice when they show something at 99% full!

  -- Clifton

--
     Clifton Royston -- LavaNet Systems Architect -- cliftonrlava.net

  "If you ride fast enough, the Specialist can't catch you."
  "What's the Specialist?" Samantha says.
  "The Specialist wears a hat," says the babysitter. "The hat makes noises."
  She doesn't say anything else.
                      Kelly Link, _The Specialist's Hat_

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