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From: Lawrence D'Oliveiro <ldo@nz.invalid>
Newsgroups: comp.sys.raspberry-pi
Subject: Re: Is there a test suite for Pi2/armv7 ?
Date: Thu, 25 Jul 2024 00:45:40 -0000 (UTC)
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On Wed, 24 Jul 2024 21:35:02 +0100, druck wrote:

> On 24/07/2024 01:34, Lawrence D'Oliveiro wrote:
>
>> Companies whose business it is to ensure data integrity do not rely on
>> SMART.
> 
> No, they use hardware RAID for redundancy, extensive performance
> monitoring, and retire most disks before they fail based on the small
> percentage of failures of thousands of other discs of the same type.

Actually, no. They wait until the disks actually fail before replacing 
them.

> But that's not what the typical person with a Raspberry Pi and a couple
> of discs is able to do. The SMART information gives valuable warning of
> potential failures, to ignore it would be to employ the STUPID feature
> of the user.

Unfortunately, SMART only catches about 30% of potential failures. That’s 
why relying on it is not smart.