Date: Sat, 30 Aug 2008 07:19:53 -0500 (CDT) From: Wes Morgan <morganw@chemikals.org> To: Peter Schuller <peter.schuller@infidyne.com> Cc: freebsd-fs@freebsd.org Subject: Re: ZFS Advice Message-ID: <alpine.BSF.1.10.0808300718200.30274@ibyngvyr.purzvxnyf.bet> In-Reply-To: <alpine.BSF.1.10.0808090735230.93115@ibyngvyr.purzvxnyf.bet> References: <alpine.BSF.1.10.0808051842550.93088@ibyngvyr.purzvxnyf.bet> <200808090020.04315.peter.schuller@infidyne.com> <18588.64214.354495.804458@almost.alerce.com> <200808090917.34149.peter.schuller@infidyne.com> <alpine.BSF.1.10.0808090735230.93115@ibyngvyr.purzvxnyf.bet>
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On Sat, 9 Aug 2008, Wes Morgan wrote: > On Sat, 9 Aug 2008, Peter Schuller wrote: > >>> Or, it could be that a UIO slot is specifically a PCI-Ex8 slot? You >>> can buy risers that convert "1U PCI-E (x16) to 1 UIO and 1 PCI-E " >> >> http://www.supermicro.com/products/nfo/UIO_cards.cfm >> >> This one actually says in the clear: >> >> "8-Lane PCI-Express interface (Supermicro UIO slot)" >> >> My guess is one of the following: >> >> * It means nothing but "PCI-E", and the UIO stuff is just marketing BS. >> >> * It means "extra PCI-E", and the UIO stuff is just marketing BS. >> >> * (Based on the grapical animation on the UIO page) They actually do have a >> special slot on their motherboard for use with their special UIO card which >> then provides a few extra PCI-E slots. The mentioning of UIO on pages >> describing standard PCI-E cards is just marketing BS resulting from the >> technically correct fact that they can be used with their UIO card. >> >> If I don't find specific information to the contrary I'll probably chance >> it >> and see. > > As you say, it's hard to tell from the SuperMicro page. LSI has this card: > > http://lsi.com/storage_home/products_home/host_bus_adapters/sas_hbas/lsisas3081er/index.html > http://www.newegg.com/Product/Product.aspx?Item=N82E16816118092 > > Which is their official card with the same chipset. The slots on both the > SuperMicro and the LSI cards look mighty similar. The only obvious difference > is the little right-angle thing next to the PCI-E interface. I'm very > interested to see if it works out. If I wasn't going to be away for a few > weeks I'd try to abuse CDW's return policy to give it a test. Has anyone, by chance, tried one of those SuperMicro UIO cards in a PCIe slot yet? If not, I'm going to give it a try unless someone is sure it won't work.
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