On Fri, 20 Jan 2006, Anne & Lynn Wheeler wrote:
> in the original virtual memory mapped paged-map implementation (that
> predated DCSS, vm/370 release 3 just picked up a small subset), the
> source of the system was on standard virtual machine accessed disk
> that was accessed using page mapped semantics. infrastructure layered
> on top could be standard filesystem semantics ...

Sounds a lot like XIP,  which is based on EXT2.
Define a partition of the same size as the intended DCSS
(or slightly less),  put your stuff there,  unmount it,
use 'dd' or something like it to grab a snap-shot,  and store.

James G. Stracka asked:
> >
> > Can running from an NSS be done for a few penguins?
> > Is it then practical to do it for a penguin farm?

And then, Adam Thornton replied:
> Yes.  You save a few megabytes per image.
>
> It makes maintenance more difficult, though.

I don't see it as any more difficult than re-saving CMS.
Kernel into an NSS.  Possibly one or more filesystems into a DCSS.
Maybe swap to DCSS too!

-- R;

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