From mboxrd@z Thu Jan 1 00:00:00 1970 From: Russ Anderson Date: Thu, 06 Mar 2008 22:13:21 +0000 Subject: Re: [PATCH] New way of storing MCA/INIT logs Message-Id: <20080306221320.GB26437@sgi.com> List-Id: References: <47CD8142.7050207@bull.net> In-Reply-To: <47CD8142.7050207@bull.net> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-ia64@vger.kernel.org On Thu, Mar 06, 2008 at 06:29:21PM +0100, Zoltan Menyhart wrote: > Luck, Tony wrote: > > > >Russ's large systems change these. Is 30,000 hours a plausible > >MTBF for a DIMM. What if the system contains 8TB memory in 2GB > >DIMMs. Now you have 4096 DIMM sticks in the system. Redo your > >calculations for this large system. > > > >-Tony > > Can you please provide some real MTBF data? Here is a manufacturer advertising "over 7 years". 7 years is 61,320 hrs, 8 year is 70,080. http://ramfinder.com/items/ex2gb0132f.html -- Russ Anderson, OS RAS/Partitioning Project Lead SGI - Silicon Graphics Inc rja@sgi.com