Wanted: Info on Optisys/Optidisk WORM file system

[Chuck Guzis]

On 2/12/21 12:21 PM, Paul Koning via cctalk wrote:
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> 
>> On Feb 12, 2021, at 3:12 PM, jim stephens via cctalk <cctalk at classiccmp.org> wrote:
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>>
>> There was a company who made a drive with glass media that a friend of ours repped for.
>>
>> It used a repurposed CD head which was driven hard enough to write their media.  it was sold as being able to be written and locked such that it couldn't be further modified if need be.  The nuclear security people were interested, but ultimately passed due to the size off the player, and the need for very long term access to the technology.
> 
> DEC had an optical WORM drive, I think it had rather large media.  Not sure if that's the one you're thinking about.  I believe it shipped but it doesn't feel like a particularly successful product.  (Then again, the worst I remember was a networking device that sold a total of 3 units over its lifetime -- the DESNC...)

WORM appeared in the 8" and 12" disc format as well, IIRC.

--Chuck