From owner-freebsd-fs@FreeBSD.ORG Sun Sep 12 23:00:20 2010 Return-Path: Delivered-To: freebsd-fs@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 63B0C1065670 for ; Sun, 12 Sep 2010 23:00:20 +0000 (UTC) (envelope-from rmacklem@uoguelph.ca) Received: from esa-jnhn.mail.uoguelph.ca (esa-jnhn.mail.uoguelph.ca [131.104.91.44]) by mx1.freebsd.org (Postfix) with ESMTP id 1ECE88FC18 for ; Sun, 12 Sep 2010 23:00:19 +0000 (UTC) X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: ApwEAMb4jEyDaFvO/2dsb2JhbACDGZ8irnWQPYEigyp0BIon X-IronPort-AV: E=Sophos;i="4.56,356,1280721600"; d="scan'208";a="93620693" Received: from erie.cs.uoguelph.ca (HELO zcs3.mail.uoguelph.ca) ([131.104.91.206]) by esa-jnhn-pri.mail.uoguelph.ca with ESMTP; 12 Sep 2010 19:00:18 -0400 Received: from zcs3.mail.uoguelph.ca (localhost.localdomain [127.0.0.1]) by zcs3.mail.uoguelph.ca (Postfix) with ESMTP id EA3E9B3EA8; Sun, 12 Sep 2010 19:00:18 -0400 (EDT) Date: Sun, 12 Sep 2010 19:00:18 -0400 (EDT) From: Rick Macklem To: Josh Paetzel Message-ID: <737011362.791810.1284332418932.JavaMail.root@erie.cs.uoguelph.ca> In-Reply-To: <201009121716.17813.josh@tcbug.org> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-Originating-IP: [24.65.230.102] X-Mailer: Zimbra 6.0.7_GA_2476.RHEL4 (ZimbraWebClient - SAF3 (Mac)/6.0.7_GA_2473.RHEL4_64) Cc: freebsd-fs@freebsd.org, Terry Kennedy Subject: Re: Weird Linux - FreeBSD/ZFS NFSv4 interoperability problem X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 12 Sep 2010 23:00:20 -0000 > > root@jester1d / ->mount -t nfs -o wsize=65536,rsize=65536 > servant.ixsystems.com:/a/isos /mnt > root@jester1d / ->cd /mnt > root@jester1d /mnt ->dd if=PCBSD8-STABLE-20100420-x64-DVD.iso > of=/dev/null > bs=1m > 3344+1 records in > 3344+1 records out > 3507386368 bytes transferred in 34.562502 secs (101479528 bytes/sec) > > root@jester1d /mnt ->cd .. > root@jester1d / ->umount /mnt > root@jester1d / ->mount -t newnfs -o nfsv3,rsize=65536,wsize=65536 > servant.ixsystems.com:/a/isos /mnt > root@jester1d / ->cd /mnt > root@jester1d /mnt ->dd if=PCBSD8-STABLE-20100420-x64-DVD.iso > of=/dev/null > bs=1m > 345+0 records in > 345+0 records out > 361758720 bytes transferred in 46.191718 secs (7831679 bytes/sec) > > The first run hits network limits. > Hmm, the newnfs case seems to have terminated prematurely. That's a different problem than the others seemed to report, but you definitely have a slow read rate. Could you by any chance run the newnfs test again and capture a "ps axHl" on the client (I'm hoping that will hint at where the threads are sleeping). Thanks for doing the test, rick