From owner-freebsd-hardware@FreeBSD.ORG Tue Oct 28 12:19:16 2008 Return-Path: Delivered-To: freebsd-hardware@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 83457106569C for ; Tue, 28 Oct 2008 12:19:16 +0000 (UTC) (envelope-from jdc@koitsu.dyndns.org) Received: from QMTA06.emeryville.ca.mail.comcast.net (qmta06.emeryville.ca.mail.comcast.net [76.96.30.56]) by mx1.freebsd.org (Postfix) with ESMTP id 3A4C18FC0A for ; Tue, 28 Oct 2008 12:19:15 +0000 (UTC) (envelope-from jdc@koitsu.dyndns.org) Received: from OMTA12.emeryville.ca.mail.comcast.net ([76.96.30.44]) by QMTA06.emeryville.ca.mail.comcast.net with comcast id YAJe1a0030x6nqcA6CKFXL; Tue, 28 Oct 2008 12:19:15 +0000 Received: from koitsu.dyndns.org ([69.181.141.110]) by OMTA12.emeryville.ca.mail.comcast.net with comcast id YCKE1a00S2P6wsM8YCKFW4; Tue, 28 Oct 2008 12:19:15 +0000 X-Authority-Analysis: v=1.0 c=1 a=9rRZX3FN1PoA:10 a=NMgbMNkgAAAA:8 a=RzwWTIVYAAAA:8 a=6I5d2MoRAAAA:8 a=QycZ5dHgAAAA:8 a=3wyRMPjvTEpyA1IrkpMA:9 a=3-h81Hb9_kVYgxIAKxVNhHcbZBcA:4 a=EoioJ0NPDVgA:10 a=LY0hPdMaydYA:10 Received: by icarus.home.lan (Postfix, from userid 1000) id D5E2CC9419; Tue, 28 Oct 2008 05:19:14 -0700 (PDT) Date: Tue, 28 Oct 2008 05:19:14 -0700 From: Jeremy Chadwick To: Danny Carroll Message-ID: <20081028121914.GB48941@icarus.home.lan> References: <20081026125017.GA88016@icarus.home.lan> <4906F123.30908@dannysplace.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <4906F123.30908@dannysplace.net> User-Agent: Mutt/1.5.18 (2008-05-17) Cc: Charles Sprickman , freebsd-hardware@freebsd.org Subject: Re: Re: PCI-X SATA Card + Server Recommendation X-BeenThere: freebsd-hardware@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: General discussion of FreeBSD hardware List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 28 Oct 2008 12:19:16 -0000 On Tue, Oct 28, 2008 at 09:01:55PM +1000, Danny Carroll wrote: > Jeremy Chadwick wrote: > > These are cards I can recommend for your situation. Yes, they do RAID, > > they all support JBOD; just plug the disks in and go. > > > > http://www.highpoint-tech.com/USA/series_2000.htm > > HighPoint RocketRAID 2210 (hptrr(4) driver; be sure to read NOTES) > > HighPoint RocketRAID 2220 (hptrr(4) driver; be sure to read NOTES) > > HighPoint RocketRAID 2224 (hptrr(4) driver; be sure to read NOTES) > > HighPoint RocketRAID 2240 (hptrr(4) driver; be sure to read NOTES) > > > > http://www.areca.com.tw/products/pcix.htm > > Areca ARC-1110 (arcmsr(4) driver) > > Areca ARC-1120 (arcmsr(4) driver) > > Areca ARC-1130 (arcmsr(4) driver) > > Areca ARC-1160 (arcmsr(4) driver) > > Areca ARC-1130ML (arcmsr(4) driver) > > Areca ARC-1160ML (arcmsr(4) driver) > > One other thing that those in the know might be able to answer for me. > When thinking about ZFS or Geom (or even vinum!) and a decent SATA card > in JBOD mode: > > What happens with the write caching? Do the caches only work when you > build an array? If they also work in JBOD mode, then I guess it is > important to disable all write caching (can you even do that with these > cards?) unless you also buy the BBU? This has been discussed recently on -hardware. I will stand firm on my statement: don't disable write caching on disks. http://lists.freebsd.org/pipermail/freebsd-hardware/2008-October/005450.html -- | Jeremy Chadwick jdc at parodius.com | | Parodius Networking http://www.parodius.com/ | | UNIX Systems Administrator Mountain View, CA, USA | | Making life hard for others since 1977. PGP: 4BD6C0CB |