From owner-freebsd-stable@FreeBSD.ORG Tue Nov 3 15:57:40 2009 Return-Path: Delivered-To: freebsd-stable@FreeBSD.ORG Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 2434E106566B for ; Tue, 3 Nov 2009 15:57:40 +0000 (UTC) (envelope-from olli@lurza.secnetix.de) Received: from lurza.secnetix.de (lurza.secnetix.de [IPv6:2a01:170:102f::2]) by mx1.freebsd.org (Postfix) with ESMTP id 99DAE8FC19 for ; Tue, 3 Nov 2009 15:57:39 +0000 (UTC) Received: from lurza.secnetix.de (localhost [127.0.0.1]) by lurza.secnetix.de (8.14.3/8.14.3) with ESMTP id nA3FvM14061242; Tue, 3 Nov 2009 16:57:37 +0100 (CET) (envelope-from oliver.fromme@secnetix.de) Received: (from olli@localhost) by lurza.secnetix.de (8.14.3/8.14.3/Submit) id nA3FvKm5061241; Tue, 3 Nov 2009 16:57:20 +0100 (CET) (envelope-from olli) Date: Tue, 3 Nov 2009 16:57:20 +0100 (CET) Message-Id: <200911031557.nA3FvKm5061241@lurza.secnetix.de> From: Oliver Fromme To: freebsd-stable@FreeBSD.ORG, petefrench@ticketswitch.com In-Reply-To: X-Newsgroups: list.freebsd-stable User-Agent: tin/1.8.3-20070201 ("Scotasay") (UNIX) (FreeBSD/6.4-PRERELEASE-20080904 (i386)) MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8bit X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-2.1.2 (lurza.secnetix.de [127.0.0.1]); Tue, 03 Nov 2009 16:57:37 +0100 (CET) Cc: Subject: Re: problems with gmirror on ggate over slow link X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 03 Nov 2009 15:57:40 -0000 Pete French wrote: > [...] > > Just a wild guess, have you tried to set kern.geom.mirror.timeout to a > > higher value? > > Yes, I tried values all the way up to 600, no effect at all - plus the > failure comes way before that timeout value (which is in seconds I assume). Have you done any sockets tuning? In an older posting the following values were recommended: /etc/sysctl.conf: net.inet.tcp.sendspace=1048576 net.inet.tcp.recvspace=1048576 kern.ipc.maxsockbuf=2049152 /boot/loader.conf: kern.ipc.nmbclusters="32768" Command line options to ggate[cd]: ggate[dc]_buf_size="1310720" ggatec_timeout="5" ggatec_queue_size="2048" Best regards Oliver -- Oliver Fromme, secnetix GmbH & Co. KG, Marktplatz 29, 85567 Grafing b. M. Handelsregister: Registergericht Muenchen, HRA 74606, Geschäftsfuehrung: secnetix Verwaltungsgesellsch. mbH, Handelsregister: Registergericht Mün- chen, HRB 125758, Geschäftsführer: Maik Bachmann, Olaf Erb, Ralf Gebhart FreeBSD-Dienstleistungen, -Produkte und mehr: http://www.secnetix.de/bsd "C++ is over-complicated nonsense. And Bjorn Shoestrap's book a danger to public health. I tried reading it once, I was in recovery for months." -- Cliff Sarginson