On Thursday 22 February 2007 02:21:08 pm John Andersen wrote: > On Thursday 22 February 2007, Morten Bjørnsvik wrote: > > |From: Kai Ponte [mailto:[EMAIL PROTECTED] > > | > > |On Wednesday 21 February 2007 11:44:33 pm Joachim Schrod wrote: > > |> John Andersen wrote: > > |> > On Wednesday 21 February 2007, Greg Freemyer wrote: > > |> >> There really is a reason that SCSI costs more in general, and HP > > |> >> uses good SCSI drives on top of that. > > |> > > > |> > The good reason is that people believe they are better, not that > > |> > they actually ARE better. > > | > > |And another good reason is that they are DESIGNED to run 24/7 > > |for extended periods. IDE drives are not built to the same > > |tolerances. You'll also find the MTBF is much shorter. > > > > This paper show there is NO connection between price, interface > > technology and MTBF: (The study covers more than 100.000 disks over many > > years): > > http://www.usenix.org/events/fast07/tech/schroeder/schroeder_html/index.h > >tm l > > > > Google failure trends in large disk drive populations: > > (more the same but not so diverified) > > http://www.usenix.org/events/fast07/tech/pinheiro.html > > > > -- > > MortenB > > Thanks for the references. > > My point was that the historical differences between disk interface > technology no longer exist, and manufacturer claims, in light of > 90% > parts > interchange-ability, are simply not believable, nor born out by actual use. > > Tolerances are hardly germane when the entire physical structure other than > electronics is often identical across drive sizes, interfaces, and product > lines. > > Yet some here persist (you know who you are Kai, ;-) in echoing the dogma > of yesteryear as to why scsi is better. There was a time this was true. > There was a time when a Lincoln was way better than a Ford.
I guess that is why I'm a pointy-haired manager - and why they don't let me in the server room. :P I can still find my way around stored procedures, though! > > Seagate offers 5 year warranties on sata these days. > When it comes to buying drives, given two offerings with close-enough > specs, I always go for the longer warranty. Any minor saving in price > today will be lost when the drive fails in three years instead of 5 or 8. Wow - five years! I had no idea. I just bought some maxtor 320 GB thingy at fry's. I have no idea what warranty it has. -- kai Free Compean and Ramos http://www.perfectreign.com/?q=node/46 -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
