Difference: ComputingHardware (3 vs. 4)

Revision 42014-07-28 - samir

Line: 1 to 1
 
  • Compute nodes
Changed:
<
<
    • 40 servers, 10 chassis, 4 nodes per chassis
>
>
    • 52 servers, 13 chassis, 4 nodes per chassis
    • 156 disk bays
 
    • 1400 W per chassis
Changed:
<
<
    • 20 U
    • 14 kW
>
>
    • 26 U
    • 18.2 kW
 
  • Datanodes
Changed:
<
<
    • 7 nodes
    • 252 disks
>
>
    • 3 nodes
    • 108 disks
 
    • 4 U each
    • 1280 W each
Changed:
<
<
    • 28 U total
    • 9 kW total
>
>
    • 12 U total
    • 3840 W total
 
  • Total
Changed:
<
<
    • 48 U
    • 23 kW
>
>
    • 264 disk bays
    • 38 U
    • 22040 kW
 

Alternatives

Changed:
<
<
  • Compute nodes
OR

    • 30 U
    • 9600 W
    • 1536 cores
Alternative total 1 :

  • 48 U
  • 18600 W
Alternative total 2 :
>
>

Power

Ideally we should stay under 19 kW of expansion. Retiring Rack 13 compute nodes will give us back 7 kW and could improve the situation here.

Compute node options

 
Deleted:
<
<
  • 58 U
  • 21800 W
 Note : 208 V

-- Main.samir - 2014-07-24

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