From owner-freebsd-current@FreeBSD.ORG Mon Nov 5 01:22:17 2007 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 917DD16A417 for ; Mon, 5 Nov 2007 01:22:17 +0000 (UTC) (envelope-from adrian.chadd@gmail.com) Received: from wa-out-1112.google.com (wa-out-1112.google.com [209.85.146.182]) by mx1.freebsd.org (Postfix) with ESMTP id 67D1A13C4B0 for ; Mon, 5 Nov 2007 01:22:17 +0000 (UTC) (envelope-from adrian.chadd@gmail.com) Received: by wa-out-1112.google.com with SMTP id k17so1885830waf for ; Sun, 04 Nov 2007 17:22:05 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=beta; h=domainkey-signature:received:received:message-id:date:from:sender:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references:x-google-sender-auth; bh=jq+qfrlY39tx1rOFuTB2FuyD+C6KMwvSY/P35KNtZQo=; b=IDGD8qADmI0ghV0KKMl5NG+ePBzcjy/Zs8S94ZgO+2DzEdFGScIpN6jZx+1ENkqF7c3qOtqJy+wUaRNWp+bbuwkWByNJMjq/qVA8Pq0BEIZhNd0uj2ZSGpIzqT64BBxfa0pB19DmBwbeMvUgHcVvOdZmyLTFJMWMYKqIE5cM9e0= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=beta; h=received:message-id:date:from:sender:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references:x-google-sender-auth; b=KCxE/unrVuIcNTyH93wnKCZWVYs8Nvm+VTjZBuTudKGqiAXADVbzw4WSXP7gHNGHj9fbYbecghiNRWiYSUfUiJ+AWx2GH+kXYNWn3IDNiZ/woIMQroBrNqGU147kpR1pzc+tU2JlCnhOxtrTyP7ypdi4RmS0YqENHl0Kltlvi8g= Received: by 10.114.13.1 with SMTP id 1mr4568952wam.1194225709553; Sun, 04 Nov 2007 17:21:49 -0800 (PST) Received: by 10.114.67.19 with HTTP; Sun, 4 Nov 2007 17:21:49 -0800 (PST) Message-ID: Date: Mon, 5 Nov 2007 10:21:49 +0900 From: "Adrian Chadd" Sender: adrian.chadd@gmail.com To: "Thomas Sparrevohn" In-Reply-To: <200711050041.38229.Thomas.Sparrevohn@btinternet.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <200711021208.25913.Thomas.Sparrevohn@btinternet.com> <200711041423.54336.Thomas.Sparrevohn@btinternet.com> <472DDEA2.7080804@FreeBSD.org> <200711050041.38229.Thomas.Sparrevohn@btinternet.com> X-Google-Sender-Auth: cf9a9dd965615309 Cc: freebsd-current@freebsd.org, Peter Schuller Subject: Re: ZFS Hangs X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 05 Nov 2007 01:22:17 -0000 On 05/11/2007, Thomas Sparrevohn wrote: > Oh my god - Overlooked that ;-) - funny that - Its a bit tricky as it not possibly to dump a kernel > when the swap is on ZFS - I did a test with all debugging enabled and the problem > did not show up - which makes it somewhat nasty - I check if I can reproduce it > with only DDB enabled > > But as I said - I have been running with root on ZFS for quite a while without problems - > There are however two things that does not make much sense > > 1) number of vnodes are reduces to 100,000 by the kernel (AMD64) > 2) If I extent the cache size "wildly" it seems to be stable about 600MB +- 67MB You can dump to a non-ZFS swap partition thats not being used for swap. Just set it as your dumpdev but don't put it in /etc/fstab. Adrian -- Adrian Chadd - adrian@freebsd.org