Gregg, I've experienced similar drive failures and the cause for me turned out to be a weak power supply. See if you can test the power supply under load; free-running measurements mean nothing. Or swap out the power supply with another unit. HTH, -Carl
On May 14, 2014, at 8:36 AM, "Dinse, Gregg (NIH/NIEHS) [V]" <di...@niehs.nih.gov> wrote: > Hi, > > Is there some component in a Mac Pro that could fail in a way that would kill > hard drives? > > I have been running Mountain Lion (ML) on a 2012 Mac Pro for over a year. In > recent months, it started doing some flaky things, so I decided to do a fresh > install of ML on a different hard drive. Right after I decided to do this, > the Mac Pro would not even boot from the original hard drive (which I will > call Disk1). > > So, I rebuilt my system on Disk2. This appeared to work for a few days, but > then things got flaky with it (though not exactly the same as with Disk1) and > the Mac Pro also would not boot from Disk2. > > Yesterday I reinstalled on yet a third hard drive (Disk3). In less than a > day, I can't boot from that drive either. I held down the option key and > booted from the recovery partition. I ran Disk Utility, it had lots of red > error messages, and it said to save what I could and erase the disk. > > I know that hard drives fail, but I find it really hard to believe that 3 of > them would fail in less than a week. I am now trying a fourth drive, but I'm > not optimistic! > > Is there some component in the Mac Pro that could go bad and then "kill" hard > drives? > > Thanks in advance for any suggestions that you might be able to offer. > > Gregg > > _______________________________________________ > MacOSX-talk mailing list > MacOSX-talk@omnigroup.com > http://www.omnigroup.com/mailman/listinfo/macosx-talk _______________________________________________ MacOSX-talk mailing list MacOSX-talk@omnigroup.com http://www.omnigroup.com/mailman/listinfo/macosx-talk
