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From: Don Y <blockedofcourse@foo.invalid>
Newsgroups: sci.electronics.design
Subject: Re: Predictive failures
Date: Wed, 17 Apr 2024 09:05:56 -0700
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On 4/17/2024 8:42 AM, Don Y wrote:
> a typical run-of-the-mill disk performs at about 60MB/s.  So, ~350MB/min
> or 21GB/hr.  That's ~500GB/day or 180TB/yr.
> 
> Assuming 24/7/365 use.
> 
> In a 9-to-5 environment, that would be (5/7)*60TB (to account for idle time
> on weekends) or ~40TB/yr.
> 
> Said another way, I'd expect a 55TB/yr drive to run at about (55/40)*60MB/s
> or ~80MB/s.  A drive that runs at 100MB/s (not uncommon) would be ~100TB/yr.

That number doesn't look right.  100/80 = 1.25 so that 55 should probably be
about 70TB/yr (not 100!).

I guess a calculator would be handy...  :>