Date: Sat, 3 Mar 2007 11:35:43 +0100 From: Baurzhan Ismagulov <ibr@radix50.net> To: aic7xxx@freebsd.org Subject: Re: Adaptec 2940UW with Fujitsu MAN3184M Message-ID: <20070303103542.GA31520@radix50.net> In-Reply-To: <45E8C36C.1020407@paralan.com> References: <20070228204034.GA2379@radix50.net> <45E602B3.2020306@paralan.com> <20070228233314.GA7348@radix50.net> <45E77B30.2090505@paralan.com> <20070302220950.GD7331@radix50.net> <45E8C36C.1020407@paralan.com>
next in thread | previous in thread | raw e-mail | index | archive | help
Hello Marc, On Fri, Mar 02, 2007 at 04:38:04PM -0800, Marc D. Brooks wrote: > I think the following are the two major questions you are asking: > > 1. Why is my setup running at Fast instead of Ultra? ... > 2. What can I do to make my system run faster? Yes. > I would recommend that since all of the hardware (except for the > controller) is LVD, capable of running at Ultra160 (which is stable) to > change the 2940 controller out for an Ultra160 capable LVD controller. > You will definitely get a faster speed than the SCSI Fast you are > currently experiencing, or the Ultra you ar trying to get, and not have > the struggles in trying to find what part(s) in your current > configuration are causing the system to run slower than Ultra. > > I'm sorry I cannot supply a better answer which would not have the cost > of lots of time trying different components, or the cost of a different > controller, but when mixing and matching Single Ended SCSI hardware at > Ultra speeds, you can get a string of 1000 good setups, then hit on a > string of 100 problematical ones. Ok, I'll look for a used 29160. Thanks to all who answered! With kind regards, -- Baurzhan Ismagulov http://www.kz-easy.com/
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20070303103542.GA31520>