Date: Tue, 28 Oct 2008 05:19:14 -0700 From: Jeremy Chadwick <koitsu@FreeBSD.org> To: Danny Carroll <fbsd@dannysplace.net> Cc: Charles Sprickman <spork@bway.net>, freebsd-hardware@freebsd.org Subject: Re: Re: PCI-X SATA Card + Server Recommendation Message-ID: <20081028121914.GB48941@icarus.home.lan> In-Reply-To: <4906F123.30908@dannysplace.net> References: <Pine.OSX.4.64.0810260112010.4630@toasty.nat.fasttrackmonkey.com> <20081026125017.GA88016@icarus.home.lan> <4906F123.30908@dannysplace.net>
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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 |
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