From owner-freebsd-fs@FreeBSD.ORG Thu Nov 15 00:18:40 2012 Return-Path: Delivered-To: freebsd-fs@freebsd.org Received: by hub.freebsd.org (Postfix, from userid 821) id 725ABE3A; Thu, 15 Nov 2012 00:18:40 +0000 (UTC) Date: Thu, 15 Nov 2012 00:18:40 +0000 From: John To: Julian Elischer Subject: Re: RHEL to FreeBSD file server Message-ID: <20121115001840.GA27399@FreeBSD.org> References: <50A130B7.4080604@cse.yorku.ca> <20121113043409.GA70601@neutralgood.org> <50A2B95D.4000400@cse.yorku.ca> <50A2F804.3010009@freebsd.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <50A2F804.3010009@freebsd.org> User-Agent: Mutt/1.5.21 (2010-09-15) Cc: freebsd-fs@freebsd.org X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 15 Nov 2012 00:18:40 -0000 ----- Julian Elischer's Original Message ----- > On 11/13/12 1:19 PM, Jason Keltz wrote: > >On 11/13/2012 12:41 PM, Bob Friesenhahn wrote: > >>On Mon, 12 Nov 2012, kpneal@pobox.com wrote: > >>> > >>>With your setup of 11 mirrors you have a good mixture of read > >>>and write > >>>performance, but you've compromised on the safety. The reason > >>>that RAID 6 ... > >By the way - on another note - what do you or other list members > >think of the new Intel SSD DC S3700 as ZIL? Sounds very promising > >when it's finally available. I spent a lot of time researching > >ZILs today, and one thing I can say is that I have a major > >headache now because of it!! > > ZIL is best served by battery backed up ram or something.. it's tiny > and not a really good fit an SSD (maybe just a partition) L2ARC on > the other hand is a really good use for SSD. Well, since you brought the subject up :-) Do you have any recommendations for an NVRAM unit usable with Freebsd? -John