
Performance figuresB–12
Figure B-9 9000 MTU average write MB/sec
Figure B-10 9000 MTU average read MB/sec
These results are based on the following configuration:
• One Object Storage Server
• Four SFS20 arrays attached to each Object Storage Server to ensure that the storage bandwidth
would not artificially reduce the network throughput figures.
• Various interconnect combinations with one and two active links.
Streaming read or write accesses can be increased by a factor of two when an additional link is added to
the server. In this case, each client node wrote (or read) a separate 4GB file striped across four SFS20
arrays.
The graphs also show that client bandwidth can be increased by the addition of a second link.
It is not currently possible to use an MTU greater than 1500 for bonded Gigabit Ethernet links.
9000 MTU Average Write MB/sec
0
50
100
150
200
250
1248
Clients
MB/sec
1 link per server - 1 link per client 2 links per server- 1 link per client 2 links per server - 2 links per client
9000 MTU Average Read MB/sec
0
20
40
60
80
100
120
140
160
180
200
1248
Clients
MB/sec
1 link per server - 1 link per client 2 links per server- 1 link per client 2 links per server - 2 links per client
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