From owner-freebsd-fs@FreeBSD.ORG Sun Dec 20 12:18:00 2009 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 885201065692; Sun, 20 Dec 2009 12:18:00 +0000 (UTC) (envelope-from wonslung@gmail.com) Received: from mail-ew0-f211.google.com (mail-ew0-f211.google.com [209.85.219.211]) by mx1.freebsd.org (Postfix) with ESMTP id CD6518FC22; Sun, 20 Dec 2009 12:17:59 +0000 (UTC) Received: by ewy3 with SMTP id 3so5196249ewy.13 for ; Sun, 20 Dec 2009 04:17:58 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:in-reply-to:references :date:message-id:subject:from:to:cc:content-type; bh=IT8Fye7z/bpSD6IOjKscAGDXkzY8GaLtApdNxfzOM3U=; b=rjbaQDkmbRk8muAfFFz99YYzg10QhTKp2hrmAEW4qb5btWOwu6iFxXOk7RnToihYdB 8o0FR+C/XEnT5NBRRheQ6z/B8dE9KO3FtOmeDfeZrMs49RAFka/fGVrYvKVQKqfkOFtT w2XERqoLPYIvPyqWfWr5Lfd1mv+5AcQx5Oe1A= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; b=af9ZfnBMpQwfMO573+wHonRydlZ2dEhoz2jwmlRhQIejUveT8wZlGAtbtYvbiy9zHO 2gV8vDiLkEUIXo8bjuGGOaxiqGk0zy8JwLzbS+W4IZvxiL9vhfkRY0UQNQtcjARB/v27 6XecaAWlhtJWi3HkBm4UErFeq5vxv2cOKrKU8= MIME-Version: 1.0 Received: by 10.216.93.14 with SMTP id k14mr1993951wef.152.1261311478481; Sun, 20 Dec 2009 04:17:58 -0800 (PST) In-Reply-To: <4B2E13E9.9000108@fsn.hu> References: <20091030223225.GI5120@datapipe.com> <4AEB6D79.5070703@feral.com> <4B2E0FA9.1050003@fsn.hu> <4B2E13E9.9000108@fsn.hu> Date: Sun, 20 Dec 2009 07:17:58 -0500 Message-ID: From: Thomas Burgess To: Attila Nagy Content-Type: text/plain; charset=ISO-8859-1 X-Content-Filtered-By: Mailman/MimeDel 2.1.5 Cc: freebsd-fs@freebsd.org Subject: Re: Plans for Logged/Journaled UFS 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, 20 Dec 2009 12:18:00 -0000 i remember reading that NFS needs tuning with ZFS even on solaris so you might want to look into that....i'm not an expert though. I CAN say this though. I have a machine with 12 drives and 8gb ram that i use for samba. FreeBSD 8.0 ZFS v13 It has only 10 or so clients but it has no problem maxing out 2 gigabit lines and it never freezes. It took some tuning for samba but it works great. On Sun, Dec 20, 2009 at 7:09 AM, Attila Nagy wrote: > For that problem, it can be true, the machine in speak has only 1 GB RAM > (i386), although 8 disks. > The freeze is a different beast, I've got it on 32-64 GB RAM machines (with > NFS), and on 8 GB machines serving stuff with ftp/http/rsync/etc (no NFS). > I'm not sure that the NFS and the non-NFS case is the same though. > > Thomas Burgess wrote: > >> >> I think it depends on hardware and setup. I've noticed the "zfs problem" >> with SOME machines when it comes to rtorrent (the rtorrent process will be >> stuck "waiting for disk" but on other machines it's fine. >> The machines i've had the most problem with are single drive less than 2 >> gb ram. >> >> I've got rtorrent and zfs working fine on plenty of machines with 2-3 hard >> drives and 4-8 gb ram. >> >> On Sun, Dec 20, 2009 at 6:51 AM, Attila Nagy > bra@fsn.hu>> wrote: >> >> Matthew Jacob wrote: >> >> Hussain Ali wrote: >> >> >> ZFS doesnt suffice for may use cases - so just wondering >> if this is in >> the works. >> >> >> Which use cases can you name? >> >> Reliable data storage. :( >> >> Sadly, ZFS in FreeBSD is still very far from being stable. For >> example I have NFS servers running on ZFS, and they freeze about >> every week. It seems it's related to NFS. >> I can't even get to the debugger. After sending an NMI, the kernel >> writes "NMI ... going to debugger" eight times (those machines >> have 8 CPU cores) and nothing happens, I can only reset. >> >> Another machine just looses ZFS access (all processes stuck in IO) >> on i386 if I run rtorrent with unlimited bandwidth with some >> torrents, or some disk intensive spam filtering. Access to UFS >> filesystems are still OK. >> >> Also, running UFS and ZFS seems to have problems in 8-STABLE with >> UFS eating out memory from ZFS. >> _______________________________________________ >> freebsd-fs@freebsd.org mailing list >> >> http://lists.freebsd.org/mailman/listinfo/freebsd-fs >> To unsubscribe, send any mail to >> "freebsd-fs-unsubscribe@freebsd.org >> " >> >> >> >