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there are several ways to do this. maybe you can share a bit more about what you are trying to do so we can help you better:
- psradm can be used in solaris (on any platform) to disable CPUs (better: to make the scheduler not put processes on a CPU)
- solaris zones can have a cpu capping
- processor sets can be tied to processes, projects, zones...
- on Mx000 you can set up dynamic domains to partition your box into smaller pieces
- on T-series (and M5) you can use logical domains (OVM for sparc) to partition a server
Thanks for replay, actually i have a M4000 and we plan to create two domain, one have 1 cpu (2core) and other need to configure with 2 cpu (4core) but we know system can't put 3 cpu must have to 4 cpu, so due to core licensing issue, here i need to disable 1 cpu (2 core) with psradm is okay, but i want to disable with domain configuration, can you help me to get this.
I don't know much about dynamic domains so I cannot really help you there. I would like to add that I am not sure Oracle accepts turning off a cpu with psradm as "hard partitioning" so if that's what you want to do, you should talk to your oracle rep about it.
Another possibility would be to simply create a domain and then setup a zone on it. you can limit that zone to use just one cpu (or two cores) which is ok for hard partitioning. And you could still create a zone on that other cpu and run non-database stuff there