https://www.wired.com/2009/05/five-disk-floppy-raid-4mb-of-blistering-fast-storage/

I have used SSD's in hard and soft raid. results will vary. Right now I
technically have a pair of SSD's doing raid (as storage tiring) in my zraid
on my server.

On Fri, Oct 15, 2021 at 8:54 PM Matt Graham via PLUG-discuss <
plug-discuss@lists.phxlinux.org> wrote:

> On 2021-10-15 10:23, Michael via PLUG-discuss wrote:
> > Can raid5 be done on ssd?
>
> If you're using softRAID via md, you can run RAID-5 on almost any block
> device that you have 3 or more of.  ISTR that someone did RAID-5 on a
> bunch of USB floppy drives in the 2000s as a proof of concept and/or
> silly demonstration.  Can't find the article that I originally read[0],
> but
>
> https://fitzcarraldoblog.wordpress.com/2019/10/17/creating-a-raid-of-usb-pendrives-in-linux/
> shows a similar procedure using RAID-10 instead of RAID-5.  By reading
> the man page for mdadm and the HOWTO for softRAID (
> https://raid.wiki.kernel.org/index.php/Linux_Raid ) and understanding
> things, I think you might be able to use that article to do something
> similar.
>
> [0] Both google and duckduckgo are returning useless results more often
> than not these days.  I think that search engines were actually *better*
> at returning useful data in 2010 than they are now.  I blame
> advertisers.
>
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Stephen