Hierarchical jails - any current work?
Julian Elischer
julian at elischer.org
Wed Sep 19 13:08:27 PDT 2007
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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