Date: Sun, 14 Dec 2008 09:29:02 -0600 (CST) From: Wes Morgan <morganw@chemikals.org> To: freebsd-fs@freebsd.org Subject: SFF-8087 to fanout cable question Message-ID: <alpine.BSF.2.00.0812140859100.58945@ibyngvyr.purzvxnyf.bet>
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Like some of you who have built big ZFS arrays on multi-port controllers, I've got a mess of cables in my chassis... Now I have some SAS backplanes with mini-sas (SFF-8087) plugs. I know they work because I've used them with an Areca 1680 controller and some standard mini-sas cables. I decided that I wanted to go a different direction, and purchased an ASUS P5BV/SAS board that has a builtin 8-port LSI 1068-based SAS controller (and I highly recommend it). Now I have the 4x SAS to SFF-8087, and it doesn't want to work... But it worked going from the Areca controller to a regular 8-port SAS/SATA backplane. Are these cables only usable in one direction? In summary: mini-sas (controller) to mini-sas (backplane) - works mini-sas (controller) to 8-port SAS/SATA (backplane) - works 8-port SAS (controller) to mini-sas (backplane) - nada 8-port SAS (controller) to 8-port SAS/SATA (backplane) - works Any ideas? Sorry if this is just a "duh" question. I don't do this for a living, I'm just obsessive about my media server :)
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