2.11BSD on two RL02 drives? Probably not, but...

william degnan billdegnan at gmail.com
Fri Aug 4 09:03:54 CDT 2017


On Fri, Aug 4, 2017 at 9:49 AM, systems_glitch via cctalk <
cctalk at classiccmp.org> wrote:

> Going with SLC/"industrial" Flash is indeed the key to avoiding random
> failures. I have many deployed systems using industrial Flash modules (IDE
> DOMs) running 24/7 in critical production environments, mostly running
> machine tools and semiconductor production line equipment. We still do
> regular backups, though!
>
> To compare, the typical industrial DOMs and CF cards I purchase are rated
> for 1-2 million rewrites per Flash block (from the datasheet). I assume
> this is SLC + wear leveling. *IF* you can find the write endurance on
> consumer stuff, it's often less than 10K.
>
> Thanks,
> Jonathan
>
>
I agree.  I remember Jon's demo of these at VCF East last year, we
discussed this stuff then.


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