From mboxrd@z Thu Jan 1 00:00:00 1970 From: Justin Piszcz Subject: Re: Software RAID5 Horrible Write Speed On 3ware Controller!! Date: Wed, 18 Jul 2007 07:35:15 -0400 (EDT) Message-ID: References: <20070718112612.GA8029@cumulus> Mime-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed Return-path: In-Reply-To: <20070718112612.GA8029@cumulus> Sender: linux-raid-owner@vger.kernel.org To: Sander Cc: linux-ide-arrays@lists.math.uh.edu, xfs@oss.sgi.com, linux-raid@vger.kernel.org, linux@vger.kernel.org List-Id: linux-raid.ids On Wed, 18 Jul 2007, Sander wrote: > Justin Piszcz wrote (ao): >> Its too bad that there are no regular > 4 port SATA PCI-e controllers >> out there. > > Is there a disadvantage to using a SaS controller from for example > lsi.com ? > > http://lsi.com/storage_home/products_home/host_bus_adapters/sas_hbas/index.html > > I haven't tried them yet, but on paper it looks like an option, no? > > With kind regards, Sander > > -- > Humilis IT Services and Solutions > http://www.humilis.net > Hmm that is also a good idea- but I am afraid there could be a similiar issue where it tries to do weird caching stuff, even when the drives are in JBOD. Unless they offer a !raid SAS controller that supports SATA drives. Justin.