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Date:      Mon, 19 Jul 1999 14:22:15 -0400
From:      Robert Beer <r-beer@onu.edu>
To:        "Tim Pushor" <timp@orion.ab.ca>, <questions@FreeBSD.ORG>
Subject:   Re: 'Out of buffer space' problem
Message-ID:  <l03130335b3b91acdf341@[140.228.15.35]>
In-Reply-To: <000d01bed20d$15024270$9828f99f@shl.com>

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At 1:34 PM -0400 7/19/1999, Tim Pushor wrote:
>I work for a rather large organization and have convinced management to
>replace our aging AIX SMTP relays/DNS servers with Compaq Servers running
>FreeBSD. Saturday I had officially turned off our old AIX boxes and were
>running on pure FreeBSD boxes.
>
>On the first full day of production, half way through (today) one of the
>boxes that the companies primary DNS was running on stopped responding. The
>error I was getting was 'out of buffer space'.

Use netstat -m to check on mbufs.  Check the network connections with netstat -anfinet 

If this is running low you will need to compile a custom kernel and increase this to maybe 4096.

You may also want to check on maxusers and set that up to 128.

>Can anyone out there help me track the problem down? I know there can be
>several factors involved, but I *really* have to get this one licked rather
>quickly.

Watch the logs in the /var/log directory.  Look at man pages for the commands:

	top
	vmstat
	iostat

---
Bob Beer <r-beer@onu.edu>
Ohio Northern University, Academic Computer Services, Ada, OH  45810




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