Date: Mon, 18 Mar 2024 15:02:42 -0400 From: mike tancsa <mike@sentex.net> To: Christian Weisgerber <naddy@mips.inka.de> Cc: freebsd-hardware@freebsd.org Subject: Re: WD Blue 510 SSD and strange write performance Message-ID: <6199e46b-241d-4052-ad2b-fa0a0b1e7169@sentex.net> In-Reply-To: <ZfgCaxEn3w2lyq3m@lorvorc.mips.inka.de> References: <e5c2a99d-931e-48b4-9445-fc4ad05ccc70@sentex.net> <ZfgCaxEn3w2lyq3m@lorvorc.mips.inka.de>
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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
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