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2

3

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4

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5

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6

7

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r1-u6alustreHP-ost0

r1-u6blustreHP-ost2

r2-u11 - MDS

r2-u10 - MGSr1-u1alustreHP-ost1

r1-u1blustreHP-ost3

Client nodes

Sun M9 - core IB switches

QNEM leaf IB switches

Mellanox leaf IB switch

QDR (1:1 - non blocking)

QDR (5 interconnects)

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9

r1-u6alustreHP-ost0

r1-u6blustreHP-ost2

r2-u11 - MDS r2-u10 - MGS

r1-u1alustreHP-ost1

r1-u1blustreHP-ost3

10

○○ Client nodes

11

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12

13

14

15

16

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16 Clients * 1 thread

20

16 Clients * 1 thread

21

1 OSS went down

16 Clients * 2 thread

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