Hierarchical jails - any current work?

[Julian Elischer]

James Gritton wrote:
> Pawel Jakub Dawidek wrote:
>> Something like this:
>>     http://garage.freebsd.pl/mljail.README
>>
>> I did it some time ago, and this is one of the feature for new jail
>> implementation with is beeing designed
> 
> Yes, that's just the thing I'm talking about, so it looks like I have 
> indeed be reinventing something.  (The jail scheduling work of cdjones 
> it something else I'm interested in, but for another time).
> 
> Now the question becomes: how much jail work is out there, and what's 
> the likelihood is it seeing the light of day in a released kernel?  I 
> hate to be going about coding stuff that's been done before (well, 
> actually I enjoy coding it but you know...), but I only ever see 
> snippets of jail work mentioned here and there and nothing ever seems to 
> get anywhere official.  I figured the place to talk about this was the 
> freebsd-jail mailing list, but it seems to be mostly for stuff like 
> "getting app X to work in a jail" or "the current jail rc scripts have 
> this or that deficiency."  That's why I cross-mailed to freebsd-hackers 
> - maybe more appropriate there?
> 
> Where's the secret place people really go to communicate this kind of 
> thing?  I've done a lot of work in the general jail-like area, and while 
> much of it it the same as others' I'd like to share what isn't.  Of 
> course, with other people's jail-related projects staying on the 
> sidelines so long - and that by those with "@freebsd.org" stature - one 
> wonders if there's a point.  I don't mean to sound down on anything, 
> just wondering what the state of the "jail community" is.  Or where it is.
> 



please please please familiarise yourself with the Vimage code that 
Marko Zec is working on.

It is  a superset of jails and all future virtualisation work at this level
(as oppposed to Xen or vmware etc.) should be done in co-operation so that a 
generic framework is used. marko has done some of this already and his
code utilises some of the existing Jail frameowork.


> - Jamie
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