From owner-freebsd-questions Wed Jul 24 12:17:53 2002 Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.FreeBSD.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id A138737B400 for ; Wed, 24 Jul 2002 12:17:49 -0700 (PDT) Received: from petasus.ch.intel.com (petasus.ch.intel.com [143.182.124.5]) by mx1.FreeBSD.org (Postfix) with ESMTP id 1E19143E7B for ; Wed, 24 Jul 2002 12:17:49 -0700 (PDT) (envelope-from pavan.balaji@intel.com) Received: from fmsmsxvs043.fm.intel.com (fmsmsxvs043.fm.intel.com [132.233.42.129]) by petasus.ch.intel.com (8.11.6/8.11.6/d: solo.mc,v 1.42 2002/05/23 22:21:11 root Exp $) with SMTP id g6OCK8913919 for ; Wed, 24 Jul 2002 12:20:08 GMT Received: from fmsmsx019.fm.intel.com ([132.233.42.130]) by fmsmsxvs043.fm.intel.com (NAVGW 2.5.2.11) with SMTP id M2002072412163703632 ; Wed, 24 Jul 2002 12:16:37 -0700 Received: by fmsmsx019.fm.intel.com with Internet Mail Service (5.5.2653.19) id <3ZAYV1MD>; Wed, 24 Jul 2002 12:17:47 -0700 Message-ID: <3D386AED1B47D411A94300508B11F18703BC5C25@fmsmsx116.fm.intel.com> From: "Balaji, Pavan" To: "'James Snow'" , ntai@mac.com Cc: freebsd-questions@FreeBSD.ORG Subject: RE: Number of mbuf clusters (NMBCLUSTERS) Date: Wed, 24 Jul 2002 12:17:41 -0700 MIME-Version: 1.0 X-Mailer: Internet Mail Service (5.5.2653.19) Content-Type: text/plain; charset="ISO-8859-1" Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG You can increase the maximum number of clusters in /usr/src/sys/sys/sysctl.h and recompile the kernel. But make sure that you have a stable kernel image ready, just in case you increase this value so much that your kernel doesn't boot ;) I guess the default value is around 9, while for 256MB mem, you can go upto maybe 10000 clusters. Pavan Balaji, Intel Corporation "Only the Paranoid Survive" -- Andy Grove > -----Original Message----- > From: James Snow [mailto:snow@teardrop.org] > Sent: Wednesday, July 24, 2002 2:05 PM > To: ntai@mac.com > Cc: freebsd-questions@FreeBSD.ORG > Subject: Re: Number of mbuf clusters (NMBCLUSTERS) > > > Funny that you should post this at exactly the same time > that I was beginning to look for other instances of the > 'mbuf clusters exhausted' message. > > On Sat, Jul 13, 2002 at 11:56:18PM -0400, naoyuki_tai@mac.com wrote: > > > > I'm seeing a bit of problem with my FreeBSD 4.6 stable server. > > Me: > > FreeBSD 4.6-STABLE. > > > My server: FreeBSD 4.6 Stable, Intel P3 933 / 256M Memory / > a pair of > > 60G IDE drives (Seagate ATA IV). NIC: Intel EtherExpress 100+ > > NFS export. > > Me: > > dc0: <82c169 PNIC 10/100BaseTX> > > > Jul 12 09:28:54 nile /kernel: All mbuf clusters exhausted, > > please see tuning(7). > > I got a bunch of these yesterday, while scp'ing files to > this machine. > > > The drive is hooked up to a Promise PCI ATA/UDMA 100 > > controller card. > > The drive I was writing to is controlled by: > > atapci1: > > Curious.... > > > -Snow > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-questions" in the body of the message > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message