Date: Thu, 22 Sep 2011 14:13:44 -0700 (PDT) From: Jason Usher <jusher71@yahoo.com> To: Daniel Kalchev <daniel@digsys.bg> Cc: freebsd-fs@freebsd.org Subject: Re: redux: 48 or 96 sata3 paths ... specific ZFS hardware proposal Message-ID: <1316726024.96139.YahooMailClassic@web121210.mail.ne1.yahoo.com> In-Reply-To: <F86987BD-2FCC-4C61-B10B-7F28B10AD959@digsys.bg>
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=0ADaniel,=0A=0A--- On Thu, 9/22/11, Daniel Kalchev <daniel@digsys.bg> wrot= e:=0A=0A> > But the X8DTH-6F motherboard seems too good to be true=0A> ... = it has 7 8x pcie slots, and further, has two sff8087=0A> connectors onboard= with the EXACT SAME LSI chipset as the=0A> 9211-8i cards above - so you ca= n get an extra 8 drives on=0A> this motherboard using the same driver.=A0 T= akes=0A> xeon5500/5600 (6core, potentially) at 6.4 QPI ... so, very=0A> mod= ern there.=0A=0A=0A(snip)=0A=0A=0A> How many LSI cards do you intend to use= ? You may wish to=0A> look at the architecture (CPU/chipset/PCIe interconne= cts) in=0A> order to make more informed decision. =0A=0A=0AI was thinking o= f using 4 of the cards - that gets me 40 total SATA3 ports (32 on the 4 car= ds, plus 8 more on the board).=0A=0A(I am assuming that any 6Gb SAS port is= also a perfectly functioning SATA3 port, also at 6Gb)=0A=0AThe chipset is = "LSI 2008" and is identical on the cards and on this motherboard, which app= eals to me greatly. PCIe interconnect is "X8 lane, PCI Express 2.0 complia= nt" and "X8 PCIe 4000 MB/s". I see no mention of its cpu.=0A=0AWhat are yo= u suggesting here with that information ? What am I looking for, or trying= to avoid ?
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