HPUX & Top Command Post: 302250654

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Operating Systems HP-UX HPUX & Top Command Post 302250654 by DustBunny on Friday 24th of October 2008 02:12:43 AM

10-24-2008

Registered User

Hi mj62mj62,

Well to begin, let me tell you what type of server you have from the output you gave me. It should be a HP Integrity Superdome 32-way server. It can have up to 64 processor sockets, four per cell, with each cell having either single Intel� Itanium� 2 processors or dual-core Intel� Itanium� 2 processors. (Up to 128 processor cores total when using dual-core processors.)

Per the machinfo, it seems that you have 8 processors.

If this is my setup, I would configure it with npar and vpar on top of it. I do not say that it should be the case, however, the ideal plan of having a superdome/cell based server would be having npar's and vpar's on each npar's.

If you would like to check if you have configured vpar's on top of npar's, you can just check if the daemons for vpar are running using ps -ef | grep <dameon name>
vpard
vphbd
vconsd - Not for your case as your superdome is itanium based.

If yes, vpar should be configured I believe. Also, you can check using the swlist command to see if a vpar package is installed. Also, FYI, vpar lisence is issued on per "processor" basis.

FYI, parstatus for npar and vparstatus for vpar should work as well. You can use vparmodify to modify the parameters, however, first collect more information about the structure before modifying as if its configured and we modify, it depends on a lot of things. Including memory, iochasis, core io, processor set and memory granules, lba's and so on...

Comming back to the scenario.
Have you heard of the term icod? Actually, its "Instant Capacity on Demand". It works like this, when you purchase a superdome with required cellboards in it, you can do an offer while purchasing like you buy a cellboard with some processors, however, you would not be using it. If in case, you need an immediate requirement in future for 2 more cpu's, you pay the money to HP to collect a lisence and use that CPU for the specified period. So, that's when you use that processor and once the lisence expires, you're done and back to normal.

An important concept in npar's and vpar's on it is Processor Sets. Processor sets inter operate with other partitioning mechanisms in HP Partitioning Continuum and
also with the HP Utility Pricing offerings (iCOD, pay-per-use, and pay-per-forecast). The psets are fully integrated into PRM and can be configured using the PRM GUI.

So, I believe that this may also be a scenario here being this as a superdome server.

To be more clear on this situation, Check the below.
= How many cellboards do you have on your server?
= Is there a vpar configured on top of npar?
= If yes, how many N partitions are there and V partitions accordingly?
= Also, how many processors are allotted for each vpar?
= How many processors are floating?
=> floating processors are those who can move across vpar's without changing configuration.
= What about the information about licensing for your vpar?

These things should help you IN CASE, you have a vpar and npar setup on your server ELSE IF, am sorry.. lol.

Quote:

I had originally raised the question wondering if I was running the wrong version top.

That should not be the case I guess as top or machinfo wont work if case of a version problem or incompatibility, instead, it would not throw wrong information. As of I know.

I can help you with more information on whichever I know if the need may be

Cheers!
-DB

Last edited by DustBunny; 10-24-2008 at 03:18 AM..

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LEARN ABOUT NETBSD

cpuset_destroy

CPUSET(3)						   BSD Library Functions Manual 						 CPUSET(3)

NAME

     cpuset_create, cpuset_destroy, cpuset_zero, cpuset_set, cpuset_clr, cpuset_isset, cpuset_size -- dynamic CPU sets

SYNOPSIS

     #include <sched.h>

     cpuset_t *
     cpuset_create(void);

     void
     cpuset_destroy(cpuset_t *set);

     void
     cpuset_zero(cpuset_t *set);

     int
     cpuset_set(cpuid_t cpu, cpuset_t *set);

     int
     cpuset_clr(cpuid_t cpu, cpuset_t *set);

     int
     cpuset_isset(cpuid_t cpu, const cpuset_t *set);

     size_t
     cpuset_size(const cpuset_t *set);

DESCRIPTION

     This section describes the functions used to create, set, use and destroy the dynamic CPU sets.

     This API can be used with the POSIX threads, see pthread(3) and affinity(3).

     The ID of the primary CPU in the system is 0.

FUNCTIONS

     cpuset_create()
	      Allocates and initializes a clean CPU-set.  Returns the pointer to the CPU-set, or NULL on failure.

     cpuset_destroy(set)
	      Destroy the CPU-set specified by set.

     cpuset_zero(set)
	      Makes the CPU-set specified by set clean, that is, memory is initialized to zero bytes, and none of the CPUs set.

     cpuset_set(cpu, set)
	      Sets the CPU specified by cpu in set.  Returns zero on success, and -1 if cpu is invalid.

     cpuset_clr(cpu, set)
	      Clears the CPU specified by cpu in the CPU-set set.  Returns zero on success, and -1 if cpu is invalid.

     cpuset_isset(cpu, set)
	      Checks if CPU specified by cpu is set in the CPU-set set.  Returns the positive number if set, zero if not set, and -1 if cpu is
	      invalid.

     cpuset_size(set)
	      Returns the size in bytes of CPU-set specified by set.

SEE ALSO

     affinity(3), pset(3), sched(3), schedctl(8), kcpuset(9)

HISTORY

     The dynamic CPU sets appeared in NetBSD 5.0.

BSD
								 November 2, 2011							       BSD