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Does a domain on a Sun 12k/15k/20k/25k server know that its a domain

Does a dynamic system domain on the 12k/15k/20k/25k servers know/can find out that its a domain? If yes, how?Can a domain gather details regarding its SC. and is there a unique id (like hostid etc) that is same across all domains on a given high end server
[270 byte] By [@vidamani] at [2007-11-26 6:01:02]
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# 1

I am wondering what you mean with this posting.In theory, a domain is just an instance of an OS unless you are using zones and then it can become complicated. The only really special thing about domains is that they can DR CPU and I/O boards.

So in other words, a SunFire domain is basically the same as a standalone system which could even be the system controller as it has its own Solaris OS. It has a name and associated bits and pieces that any system has. It does not know it is a domain. Domain A is not known to the domain as it thinks it is called fred or something.

However, the system controller(s) knows that domain A, B, C, etc has specific CPU and I/O boards but the system controller is not really known to the domains and for good reason.

Domains should not be on the same network as the system controllers but the system controller has multiple ways of getting to the domain.

So can you explain what you want to do?

Stephen

stephen2602 at 2007-7-6 13:22:45 > top of Java-index,Administration Tools,Sun Management Center...
# 2

Hi Stephen,

Thanks for the reply. I understand that a domain is as good as an standalone system. But i have a requirement where in I want to know whether the system I'm running in is a domain or not. Thats why this posting. Like in zones one can find out by using zonename that the application is running in a non-global zone. So I was wondering if its possible for an application that running in a domain to know that its a domain.

Regards,

Avinash

@vidamani at 2007-7-6 13:22:45 > top of Java-index,Administration Tools,Sun Management Center...
# 3

Hi Avinash,

I can only think of one thing that a 15k/25k domain has that no other system would have and that is a dmanX network interface.

Normally there is a dman0 interface that is used to send syslog messages to the SC. Other than that, I don't know of any other way to pick if the system is a Sun HES domain.

1280's and 6800's don't have the dman0 interface and they appear similiar in design because they have the /N0/SB0 paths to system boards.

I can't see how this relates to Sun Management Center.

Stephen

stephen2602 at 2007-7-6 13:22:45 > top of Java-index,Administration Tools,Sun Management Center...
# 4

Hi

Using prtdiag or uname will identify the type of system and you can surmise from that depending on what you are trying to do.

That's how the install script for SunMC does it - but be warned on the E25K it gets it wrong and does not install the SUNWesscd pkg (pre ver 6 addons at least) which you require for the domains.

Chris_allen_gibraltar at 2007-7-6 13:22:45 > top of Java-index,Administration Tools,Sun Management Center...
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