Running WebSphere inside a zone

For anyone interested, I've been experimenting with setting up a WebSphere instance inside a zone. Progress to date is being documented here:
http://www.big-bubbles.fluff.org/blogs/bubbles/archives/000344.html
There are a few gotchas (clue: they're not in the Sun part of the software stack!).
To Sun: I got a bit tired of writing "global" and "non-global" zone. How about a new term for the latter, one that defines them in terms of what they are rather what they aren't? E.g. "child zones", "subzones"?
Also, many kudos on 10. It makes a nice change to feel this excited about a new Solaris release.
Cheers,
Ade_
/

Just for grins and giggles I took a look at what could be done to get around the SYSDEF problem..... (until SUN fixes it in an upcoming release)
Using CPIO, (but other methods should probably work 2) copy "ksyms" and "kmem" from /dev/ in the global-zone to the "/zone/2/dev" directory for the local-zone in question. ( note: NOT the dev dir inside the local-zone). This gets you half-way there. [I guess these are actually mknod type operations that just come over as-part of the file-copy. ]
The next piece involved creating a "/devices/pseudo" subdir inside the zone, and copying in the "devinfo@0:devinfo* " devices into it.
Sysdef now seems pretty happy. (for the most part, although it complains a bit about swap etc.)
As far as the values it reports for the kernel etc. I defer to the people that know more about this to confirm their validity (in asfar as the ZONE inheriting these values....)
So what about the security implications of something like this? The creating of the "/devices/pseudo" subdir inside the local-zone should be "safe", since the local-root can do that themselves....
The kmem and ksyms copies into the "dev" directory (that sits outside the local-zone's dev") are probably a little more dicey... (read insecure...)
Either way, I guess something like this might get a slightly cleaner websphere install.... and one can (should) just remove the kmem and ksym entries afterwards...
This is just a short-term hack that may help with websphere and other progs. that have a sysdef dependency, until sydef works "stock" out of the box.
my 2 cents,
-- MikeE

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>
> Have you had any luck with this?
>
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>
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>
>
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