Date: Fri, 27 Jun 2008 18:42:16 +1000 From: Danny Carroll <fbsd@dannysplace.net> To: soralx@cydem.org Cc: freebsd-hardware@freebsd.org Subject: Re: new server motherboard with SATA II Message-ID: <20080627184216.m7nz0snpwso8c4k4@www.dannysplace.net> In-Reply-To: <20080627012253.07e629e0@freen0de> References: <486450DB.4000907@dannysplace.net> <20080627040545.GA21856@eos.sc1.parodius.com> <4864769C.4050002@dannysplace.net> <20080627012253.07e629e0@freen0de>
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Quoting soralx@cydem.org: > Loading PCI bus with more plain SATA controllers? Don't expect any > positive results. I was under the impression that the promise cards actually offloaded some of the work, but I guess that can only happen with raid cards that present one disc to the OS. > How about something like this: > http://cgi.ebay.ca/ws/eBayISAPI.dll?ViewItem&item=330240176734 > (PERC 5/i SAS RAID controller HBA, PCIe x8, 256MB RAM) -- $120 > > This should give you ~300-400 MB/s with your 5 drives. It might not work > with your mainboard, though -- but there's a trick to isolate SMBus pins > the card edge connector (search the Net). Definately has potential. I think I might first focus on a motherboard that has a well supported IO chipset. If I can get over 200Mb accross the whole array then I'll be happy. After that I will look at a decent quality raid card. -D
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