Difference: HundredGigabitTestingLog (4 vs. 5)

Revision 52011-11-08 - igable

Line: 1 to 1
 
META TOPICPARENT name="HundredGigabit"

November 7, 2011

Line: 6 to 6
  Completed a 5 to 5 test Disk test:
Changed:
<
<
Transfer Rate
scdemo00->scdemo05 Avg: 9.174 Gb/s
scdemo01->scdemo06 Avg: 9.172 Gb/s
scdemo02->scdemo07 Avg: 9.121 Gb/s
scdemo03->scdemo08 Avg: 9.225 Gb/s
scdemo04->scdemo09 Avg: 9.382 Gb/s
>
>
Transfer Rate Reverse Rate
scdemo00->scdemo05 Avg: 9.174 Gb/s Avg: 9.435 Gb/s
scdemo01->scdemo06 Avg: 9.172 Gb/s Avg: 9.175 Gb/s
scdemo02->scdemo07 Avg: 9.121 Gb/s Avg: 9.173 Gb/s
scdemo03->scdemo08 Avg: 9.225 Gb/s Avg: 8.087 Gb/s
scdemo04->scdemo09 Avg: 9.382 Gb/s Avg: 9.170 Gb/s
 

November 6, 2011

Line: 122 to 124
  Figure 2: After changing the raid configuration to be write through and using large 10G files created with 'dd' we see a much improved disk to disk throughput (as shown in the two FDT outputs immediately above). Strangely we see that one direction is nearly 0.8 Gbps faster then the other. I don't understand the reason for this yet.
Added:
>
>
  • Shows some asymetric throughput from one node:
    cacti_notes_5x5_2011-011-07.png
 
META FILEATTACHMENT attachment="cacti_notes_2011-011-06.png" attr="" comment="" date="1320622186" name="cacti_notes_2011-011-06.png" path="cacti_notes_2011-011-06.png" size="80579" user="igable" version="1"
META FILEATTACHMENT attachment="cacti_notes_good_rate_2011-11-06.png" attr="" comment="" date="1320640987" name="cacti_notes_good_rate_2011-11-06.png" path="cacti_notes_good_rate_2011-11-06.png" size="69346" user="igable" version="2"
Added:
>
>
META FILEATTACHMENT attachment="cacti_notes_5x5_2011-011-07.png" attr="" comment="Shows some asymetric throughput from one node" date="1320713240" name="cacti_notes_5x5_2011-011-07.png" path="cacti_notes_5x5_2011-011-07.png" size="126763" user="igable" version="1"
 
This site is powered by the TWiki collaboration platform Powered by PerlCopyright © 2008-2020 by the contributing authors. All material on this collaboration platform is the property of the contributing authors.
Ideas, requests, problems regarding TWiki? Send feedback