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September 29th, 2015 20:00

R910 different size of memory extended, optimal

Hi,

I have r910 with 4 CPU 10core each e7 8606, 8 risers.

What is the best memory optimisation in my case if for each risor I have 4*8Gb, 2*16Gb, 2*4gb.

I have next memory installation in risor:

Slots 1-2 -8gb

Slots 3-4 -8Gb

Slots 5-6 - 16gb

Slots 7-8- 4gb

But server make message about Isn't optimal memory configuration.

F1 to continue or F2 for system setup configuration.

Please advise.

Viktor

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September 30th, 2015 08:00

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September 30th, 2015 08:00

Hi Robert,

Thank you for answer, server in production now I hope I can relocated memory during this weekend and will posted result. 

Thanks again.

Viktor

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September 30th, 2015 20:00

Hi Chris,

Here we go. Memory are:

16Gb --  2Rx4 PC3 -10600R-09-11-E2-D3 Samsung 

8Gb --  2Rx4 PC3L - 10600R-9-10-E1 Hynix

4GB -- 2Rx8 PC3L - 10600R-9-12-B1 Hynix (if this RANK can cause problem I will try to change for 4Gb 2Rx4 by brand MT 2Rx4 PC3-10600R-9-10-J0. Are you recommended change for 2Rx4?)

------
Server was working perfect and properly with 256Gb (32 by 8Gb by 4 Risers gen II). VoIP routing based on the Oracle Linux OS, 
After memory upgrade to 576Gb (16 by 4Gb+32 by 8Gb+16 by 16Gb with 8 Risers gen II) behaviour  of  server look strange. Unfortanutlly software upgrade was made in this period also :-( .  

I need to avoid any doubt about memory optimizations and conflict for deep software investigations.  

Viktor

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October 2nd, 2015 22:00

Unfortunately problem persist.

BIOS version 2.10

I fill up bank 1-2 with 16gb

3-4 with 8gb

5-6 with 8gb

7-8 with 4 GB (this memory changed to r2x4 for avoid x4 x8 conflicts)

Same massage Memory aren't optimal configuration.

Also I try with

1,2,5,6,- 8gb

3-4 with 16gb

7-8 with 4 GB

Same message.

In this case I decided to installed only 4 risers with

1,2,5,6-16gb

3,4,7,8-8gb

Total 384gb, working properly.

Please advise.

Viktor

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