From owner-freebsd-fs@FreeBSD.ORG Tue Aug 10 09:36:00 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 047C71065678 for ; Tue, 10 Aug 2010 09:36:00 +0000 (UTC) (envelope-from mgamsjager@gmail.com) Received: from mail-wy0-f182.google.com (mail-wy0-f182.google.com [74.125.82.182]) by mx1.freebsd.org (Postfix) with ESMTP id 9143D8FC28 for ; Tue, 10 Aug 2010 09:35:57 +0000 (UTC) Received: by wyj26 with SMTP id 26so13683088wyj.13 for ; Tue, 10 Aug 2010 02:35:56 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:mime-version:received:in-reply-to :references:from:date:message-id:subject:to:cc:content-type; bh=2C7kyjDAUE5cN0SWplBq4Ak8297fab2umzczPjWYkDs=; b=bgaO1+qrNnZ7AknEkEYKAtW3aqtJx+wEBODcfJ0romXsa//5LW8ikzDCXEJytqXejN 2l3GsfyqvmmUnO/7+Dx40CC2vfEXROQ097vVfDD0KskZyqyUc61iy0Lo1h9rweXS9MKN JsGnKpoYL0ML3urKT8dNY4mVMfAWVRGpRHeiM= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc:content-type; b=raxICRNapSRnrEjohZwPLmdGqy5Kfy1WR0zNbkGt5UTq9S0FFwUkr9AOnVwHr2Dkno 7Y5kiuibZ3IXJa9LU9Tfc7hFzK2h5ULRWcmeHWm79691w/KOvHIk+pVGVah7gAIQ5lw6 Naw9rH1EZPF4jHdQXq0fV5lptMOIM32vmyb1U= Received: by 10.227.135.15 with SMTP id l15mr14867452wbt.203.1281431600267; Tue, 10 Aug 2010 02:13:20 -0700 (PDT) MIME-Version: 1.0 Received: by 10.227.148.3 with HTTP; Tue, 10 Aug 2010 02:12:49 -0700 (PDT) In-Reply-To: References: From: Matthias Gamsjager Date: Tue, 10 Aug 2010 11:12:49 +0200 Message-ID: To: Andriy Bakay Content-Type: text/plain; charset=ISO-8859-1 Cc: freebsd-fs@freebsd.org Subject: Re: Converting sysinstalled FreeBSD into ZFS-only server. 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: Tue, 10 Aug 2010 09:36:00 -0000 about point 2: well most users who did had problems with random zfs crashes did fix it by using 150%. check the freebsd forum about this. sorry if I can't give any hard foundations about this claim but it does help. On Mon, Aug 9, 2010 at 10:22 PM, Andriy Bakay wrote: > > 1. In your post you are using dedicated partition for swap. Did it provide > any advantages versus swap on ZFS volume? > 2. You are suggesting to set 'vm_kmem_size' value to 150% of RAM. What > pros. and cons. against following formula: > > vm_kmem_size = RAM / 2 > vfs.zfs.arc_max = vm_kmem_size - 512M > > 3. Could you be more verbose about your ZFS layout, what major advantages > it provide against for example the following: > http://wiki.freebsd.org/RootOnZFS/GPTZFSBoot. I found it very interesting > but I need more info. > > Regards, > Andriy > > _______________________________________________ > 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" >