Jim C. Nasby wrote: > On Thu, May 11, 2006 at 07:20:27PM -0400, Bruce Momjian wrote: > > Joshua D. Drake wrote: > > > > > > >> You want an in-depth comparison of how a server disk drive is internally > > > >> better than a desktop drive: > > > >> > > > >> http://www.seagate.com/content/docs/pdf/whitepaper/D2c_More_than_Interface_ATA_vs_SCSI_042003.pdf > > > > > > > > BTW, someone (Western Digital?) is now offering SATA drives that carry > > > > the same MTBF/warranty/what-not as their SCSI drives. I can't remember > > > > if they actually claim that it's the same mechanisms just with a > > > > different controller on the drive... > > > > > > Well western digital and Seagate both carry 5 year warranties. Seagate I > > > believe does on almost all of there products. WD you have to pick the > > > right drive. > > > > That's nice, but it seems similar to my Toshiba laptop drive experience > > --- it breaks, we replace it. I would rather not have to replace it. :-) > > > > Let me mention the only drive that has ever failed without warning was a > > SCSI Deskstar (deathstar) drive, which was a hybrid because it was a > > SCSI drive, but made for consumer use. > > My damn powerbook drive recently failed with very little warning, other > than I did notice that disk activity seemed to be getting a bit slower. > IIRC it didn't log any errors or anything. Even if it did, if the OS was > catching them I'd hope it would pop up a warning or something. But from > what I've heard, some drives now-a-days will silently remap dead sectors > without telling the OS anything, which is great until you've used up all > of the spare sectors and there's nowhere to remap to. :( Yes, I think most IDE drives do silently remap, and most SCSI drives don't. Not sure how much _most_ is. I know my SCSI controller beeps at me when I try to access a bad block. Now, that gets my attention. -- Bruce Momjian http://candle.pha.pa.us EnterpriseDB http://www.enterprisedb.com + If your life is a hard drive, Christ can be your backup. +
