Re: SCSI vs SATA

[Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>]

david(at)lang(dot)hm writes:
> On Thu, 5 Apr 2007, Ron wrote:
>> Yep.  Folks should google "bath tub curve of statistical failure" or similar. 
>> Basically, always burn in your drives for at least 1/2 a day before using 
>> them in a production or mission critical role.

> for this and your first point, please go and look at the google and cmu 
> studies. unless the vendors did the burn-in before delivering the drives 
> to the sites that installed them, there was no 'infant mortality' spike on 
> the drives (both studies commented on this, they expected to find one)

It seems hard to believe that the vendors themselves wouldn't burn in
the drives for half a day, if that's all it takes to eliminate a large
fraction of infant mortality.  The savings in return processing and
customer goodwill would surely justify the electricity they'd use.

			regards, tom lane