That makes perfect sense - but the only problem is, we don't have vmware :P
I guess I could d/l the 30-day evaluation and try that out...
BTW, do people generally take snapshots of their Oscar headnode? I would imagine it might be wise to do so since there's quite a bit of tweaking done to get it up and running (especially with new hardware) so what tools do you guys generally use?
Also, anybody tried running Oscar in User Mode Linux? I assume that you can create your own 'virtual cluster' using UML and could generate the same environment as vmware (and free!).
Thanks,
Bernard
Jeff Squyres wrote:
On Fri, 10 Oct 2003, Bernard Li wrote:
What's the best way to test oscar packages? Is there a way to just test the installation of a package so that it runs the configurator and then execute the corresponding script? I guess I could set up a test cluster to try it out. I'm trying to test out the oscar-ganglia package.
My preferred method is with a 100% vmware cluster. That is, I have a "head node" image that I load up with RH9 (or whatever), unpack OSCAR, etc. Then I snapshot the image.
I also have 2 additional vmware OSCAR nodes that are essentially blank -- I just let them be fully overwritten every time I do an install (i.e., I don't intend to keep any information on those nodes from test to test).
Then I do an OSCAR install on the head [vmware] node. Once I have completed it (either by premature failure or complete success), I save any changes that I had to make to the package off to a real machine (i.e., scp it off somewhere) and then revert to the vmware snapshot. Then I can start the whole process again, but with a pristine copy of the OS -- guaranteed to be untainted by my previous OSCAR test.
Does that make sense?
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