From mboxrd@z Thu Jan 1 00:00:00 1970 From: Simon McNair Subject: Re: Software raid, booting and bios Date: Sun, 22 May 2011 07:31:48 +0100 Message-ID: <4DD8ADD4.1050601@gmail.com> References: <9A.9E.03893.C8577DD4@cdptpa-omtalb.mail.rr.com> Reply-To: simonmcnair@gmail.com Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <9A.9E.03893.C8577DD4@cdptpa-omtalb.mail.rr.com> Sender: linux-raid-owner@vger.kernel.org To: paul@vandervlis.nl Cc: 'Brad Campbell' , linux-raid@vger.kernel.org, lrhorer@satx.rr.com List-Id: linux-raid.ids I think you might want to investigate a SATA DOM (Disk on module). My Thecus 5200 uses on and it seems a neat solution. eg http://www.innodisk.com/flashstorage-list.jsp?items_name=satadom Simon On 21/05/2011 09:19, Leslie Rhorer wrote: >> -----Original Message----- >> From: linux-raid-owner@vger.kernel.org [mailto:linux-raid- >> owner@vger.kernel.org] On Behalf Of Brad Campbell >> Sent: Friday, May 20, 2011 4:52 PM >> To: linux-raid@vger.kernel.org >> Subject: Re: Software raid, booting and bios >> >> On 21/05/11 03:32, Phil Turmel wrote: >> >>> the big deal is the lack of moving parts: No spindle bearing, no head >> positioner gear train. >> >> Sorry, this just tickled me. "gear train" ? Which decade are we talking >> about? The last drive I saw >> that had any form of mechanical power transfer mechanism for head >> positioning was a 60MB RLL Seagate >> clunker. > Yeah, the number of moving parts in a hard drive is minimal. OTOH, > it's not zero. > >> Now, to add some form of use to the thread I've been using commodity CF >> cards in home-brew CF to ATA >> adaptors in embedded systems for 10 years. Flash is _the_ way to go for >> high reliability systems >> that don't have lots of write cycles. >> >> My TV box that has no on-board PXE has been booting from a 10MB USB stick >> using loadlinux since >> 2003. Dead reliable after ~69,000 hours power on time. I've not had a hard >> disk last that long since >> my old 200MB WD IDE drive (which is still running with over 100,000 hours >> on it). > Oh, we have quite a number of embedded controllers with SCSI hard > drives that have been spinning continuously since 1992. > > -- > To unsubscribe from this list: send the line "unsubscribe linux-raid" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html