Re: WD Blue 510 SSD and strange write performance

Reply: mike tancsa : "Re: WD Blue 510 SSD and strange write performance (update)"
In reply to: Christian Weisgerber : "Re: WD Blue 510 SSD and strange write performance"
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From: mike tancsa <mike_at_sentex.net>
Date: Mon, 18 Mar 2024 19:02:42 UTC

On 3/18/2024 4:59 AM, Christian Weisgerber wrote:
> mike tancsa:
>
>> This might be more of a hardware question than anything, but I noticed the
>> drive is fairly fast on initial writes, but dramatically slows down over
>> time with a consistent write.
>> If I wait for 2min, it seems to be back to normal
> Sounds like normal behavior for a drive that runs part of its flash
> as a fast cache in SLC mode, the rest as much slower TLC/QLC memory.

I guess the question is, how do I work with such a drive so it doesnt 
get to the point where it causes errors.  Is there a quirk that can be 
set somehow ?

     ---Mike