[Info-vax] Do any disks still lie about writing data to permanent storage ?

[Jan-Erik Söderholm]

Den 2021-07-07 kl. 19:36, skrev Simon Clubley:
> On 2021-07-07, Jan-Erik Söderholm <jan-erik.soderholm at telia.com> wrote:
>>
>> The disk was not lying. It said "I have the data in my cache".
>> You just had to understand that it was that it was saying.
>>
> 
> Well, it's not allowed to do that. The drive APIs in question say
> the drive can only return this status to the device driver after the
> data has been written to permanent storage. That's the whole point
> of those drive APIs.
> 
> If it returns that status and the data isn't yet in permanent storage,
> then the drive is lying to the device driver about the status of
> the data.
> 
>> It is you that used the concept of "lying" and that is not
>> applicable to hardware. It is humans that lies, not machines.
>>
> 
> A human wrote the firmware that is lying in this case.
> 
> I also note the article I pointed you to called it lying as well.
> 
>> I'm not depating the base issue here. You are completely right
>> about that... :-)
>>
> 
> Good to hear. :-) I don't know if it's actually a different culture
> thing, but I do indeed regard the disk drive as lying if it returns
> that "data committed to permanent storage" status while the data is
> still in the drive's cache.
> 
> Simon.
> 

The message returned might be wrong, but that doesn't make it into
a lie, a lie needs an intention from the one lying. Hardware does
not have any underlying intentions, that is a human thing...

Note that you could just have said "giving back the wrong message".
Or "giving back a missleading message".

I can tell you something that is wrong without lying, just becuse
I didn't knew better but I had no intention to lie to you. I was
simply wrong.