From owner-freebsd-questions Mon Jul 19 13:47:34 1999 Delivered-To: freebsd-questions@freebsd.org Received: from doc.dcoder.com (doc.dcoder.com [168.143.224.52]) by hub.freebsd.org (Postfix) with ESMTP id 42C2E14D84 for ; Mon, 19 Jul 1999 13:47:23 -0700 (PDT) (envelope-from dacoder@dcoder.com) Received: from doc.dcoder.com (doc.dcoder.com [168.143.224.52]) by doc.dcoder.com (8.9.3/8.9.3) with ESMTP id QAA49889; Mon, 19 Jul 1999 16:45:10 -0400 (EDT) (envelope-from dacoder@dcoder.com) Date: Mon, 19 Jul 1999 16:45:10 -0400 (EDT) From: David Coder Reply-To: David Coder To: Robert Beer Cc: Tim Pushor , questions@FreeBSD.ORG Subject: Re: 'Out of buffer space' problem In-Reply-To: Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG On Mon, 19 Jul 1999, Robert Beer wrote: > 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 > Ohio Northern University, Academic Computer Services, Ada, OH 45810 > > > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-questions" in the body of the message > I've seen mbufs set as high as 32768. dc _____________________ David Coder SysAdmin WebHosting Verio.com 703-749-7955 x1314 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message