Date: Mon, 9 Aug 2010 22:14:23 +0000 From: Marco van Tol <marco@tols.org> To: freebsd-fs@freebsd.org Subject: Re: Converting sysinstalled FreeBSD into ZFS-only server. Message-ID: <20100809221423.GF4964@tolstoy.tols.org> In-Reply-To: <f901f2c14a4f2822360a0284fc468239@irbisnet.com> References: <f901f2c14a4f2822360a0284fc468239@irbisnet.com>
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On Mon, Aug 09, 2010 at 04:22:42PM -0400, Andriy Bakay wrote: > > 1. In your post you are using dedicated partition for swap. Did it provide > any advantages versus swap on ZFS volume? For this one I think the answer is that it is very common to set dumpdev in /etc/rc.conf to your swap device. Dumping core to a software raid is, uhm, suboptimal. :-) > 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. Me 2. Marco van Tol -- The hardest thing in the world to understand is the income tax - Albert Einstein
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