Re: [uml-user] are 'persistent', 'undoable', and 'non-persistent' filesystems possible

[JS <lis...@os...>]

At Friday, 23 February 2001, you wrote:

>On Fri, 23 Feb 2001, Caleb Crome wrote:
>
>> A non-persistent filesystem would allow modifications to the filesystem
>> during runtime, but any changes would never be written to the main
>> filesystem file, so nothing you could do inside the filesystem 
would harm
>> it.
>
>	Already possible!  Before starting up uml, copy over the root (and
>any other) filesystem(s) from pristine copies.  Delete the (probably
>modified) filesystem on exit.
>	It really is that simple; put it in a uml startup script if you'd
>like.

Not very practical for large filesystems and/or lots of vertual machines.


I don't know how many UMLs one can run, but IBM mainframes run tens 
of thousands of virtual Linux boxes under VM.

And I've been encouraging them to take a look at UML.



Cheers
J




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