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Re: [LUG] Blinking Problem

 

On 27/10/2021 21:01, comrade meowski wrote:
> On 27/10/2021 20:22, David Bell wrote:
>> On Wed, 27 Oct 2021 18:43:09 +0100
>> comrade meowski <mr.meowski@xxxxxxxx> wrote:
>>
>>> Yes. I would like to know why you've constituted this as a "problem"?
>>> Your computer's operating system unsurprisingly requires periodic
>>> disk access.
>>
>> For a start in nigh on 30 years I've never had this before. Periodic
>> disk access is one thing but a regular constant single blink is
>> something different.
>
> Fair enough but I've been a professional sysadmin for nearly that long and there's
> a reason why you're the one posting on the list looking for help... and I'm the one
> posting on the list providing answers for your questions.
>
> This is a conceptual rather than a practical issue: you've jumped to an entirely
> unsupported conclusion (something is "wrong" with my SSD) from the slimmest of high
> level clues (periodic flashing of the disk access LED). You have yet to demonstrate
> any causal connection so this is invalid reasoning.
>
> The rest of my advice stands: if you really want to know what's at the bottom of
> this you'll need to interrogate your system properly using the correct tools as
> advised.
>
> Be warned: you are failing to account for well, basically everything. Your IO
> scheduler may be batching up disk access to burst more efficiently to the SSD. A
> broken systemd timer unit might be simply firing continuously due to a failed
> condition in which case it will be in the logs. A service may have recently changed
> it's behaviour - by your own admission you recently upgraded your entire operating
> system version.
>
> You are not a magician who can intuit deep hardware issues by glancing at Das
> Blinkenlights on the front of your case! Your system has logs and IO management,
> tuning and reporting tools for a reason: use them. Read the SMART data from the
> SSD. Have you even checked dmesg?
>
> If there is a fault it will be glaringly and immediately obvious - doubly so if a
> full on disk failure is imminent. This is Linux remember, you don't need to pull
> random unsubstantiated guesses out of the ether. Ask your computer nicely and it
> will tell you exactly what it's up to, you just need to know how to ask it the
> right questions. Linux has no secrets from UID 0.
>
>
Whoah, hold the phones, there's no need for this kinda tone on the list .. it IS a
LUG list, not stackoverflow y'know ..

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