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Re: configure new cell board

 
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Brian Lee_4
Regular Advisor

configure new cell board

It is my first time to manage rp7410 servers.
I want to add one more cell board containing two CPUs and 8GB memories to an existing rp7410 box. HP CE told me that I should configure new cell board to be integrated with existing box.

Please help me to configure new cell board.
brian lee
10 REPLIES 10
Jeff Schussele
Honored Contributor

Re: configure new cell board

Hi Brian,

What the CE is telling you is that the cell boards should be balanced - i.e. same # of CPUs & memory count between them.
So if you have 2CPU & 8 GB on the original cell board, then you're OK. If not then balance them on the install of the second.

HTH,
Jeff
PERSEVERANCE -- Remember, whatever does not kill you only makes you stronger!
Brian Lee_4
Regular Advisor

Re: configure new cell board

There are 4 CPUs and 16 GB memories in an orignal cell board.
What am I supposed to do then ?
brian lee
Jeff Schussele
Honored Contributor

Re: configure new cell board

Hi Brian,

My earlier advice was based on the assumption that you're not using nPars - hard partitions. If you are then what you need for each partition will dictate how to populate the cell-boards.

If however you intend to have a single partition, then you should populate them both with 3 CPUs & 12 GB memory each I'd believe.

Rgds,
Jeff
PERSEVERANCE -- Remember, whatever does not kill you only makes you stronger!
Brian Lee_4
Regular Advisor

Re: configure new cell board

Are you sure that I have to distribute CPU and Memories equally on both cell boards ?

The reason why I am asking you this is that we have two RP7410 servers wich have two cell boards, 6 CPU and 6 GB Memories.
However, one cell board has 4 CPU and 4 GB memories and the other one has 2 CPU and 2 GB memories. They have only one partition
on both boxes.

This conflicts with your answer.
brian lee
Jeff Schussele
Honored Contributor

Re: configure new cell board

Hi Brian,

No it's not required, but recommended for performance reasons. Mainly the memory should be balanced for interleaving to have maximum benefit. But I believe balancing the CPUs also has a benefit as well.
I'm sure an HP HW guru will chime in & give us a definitive answer.

Rgds,
Jeff
PERSEVERANCE -- Remember, whatever does not kill you only makes you stronger!
Brian Lee_4
Regular Advisor

Re: configure new cell board

Consequently, you mean that the system can recognize new cell board without configuring anything if it has only one partition.
Is that right ?
brian lee
Ashwani Kashyap
Honored Contributor

Re: configure new cell board

It is recommended by HP for performances reasons and for interleaving that all cell boards making a partition be of the same type i.e , same number of cpus , memory , dimms in the same slot even the same firmware .

Once done you can use the gui partition manager at /opt/parmgr/bin/parmagr to add the new cell board in the partition .
Brian Lee_4
Regular Advisor

Re: configure new cell board

Do you have a manual for the gui partition manager ?
If you attach it there, I really appreciate it.
brian lee
Jeff Schussele
Honored Contributor
Solution

Re: configure new cell board

Hi Brian,

Here's a link to the HP Systems Partition Guide for nPartitions:

http://docs.hp.com/hpux/onlinedocs/5187-4534/5187-4534.html

HTH,
Jeff
PERSEVERANCE -- Remember, whatever does not kill you only makes you stronger!