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Date: Sun, 26 Nov 2023 10:37:46 +0000
From: Andy Smith <andy@strugglers.net>
To: Linux RAID Mailing List <linux-raid@vger.kernel.org>
Subject: Re: SMR or SSD disks?
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Hello,

On Sun, Nov 26, 2023 at 11:18:39AM +0100, Gandalf Corvotempesta wrote:
> i'm doing some maintenance replacing some not-yet-failed HDD with WD RED SSD.
> I've read the warning on the homepage
> https://raid.wiki.kernel.org/index.php/Linux_Raid
> 
> Are SSD drives still subject to SMR ? I've thought that it was related
> only to magnetic drives not on SSD.

SMR is not applicable to flash-based storage. I expect the warning
on the wiki was written at a time when the only drives bearing the
WD Red brand were HDDs, not any SSDs.

Thanks,
Andy