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Solarflare Server Adapter User Guide
Solarflare Adapters on VMware
Issue 20 © Solarflare Communications 2017 281
Sfupdate: Examples
• List all Solarflare adapters installed on the host with the installed firmware:
sfupdate
Solarflare firmware update utility [v3.0.3]
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Copyright Solarflare Communications 2006 ‐ 2010, Level 5 Networks 2002 ‐ 2005
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eth1 ‐ MAC: 00 ‐ 0F ‐ 53 ‐ 01 ‐ 39 ‐ 70
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Firmware version: v3.0.3
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PHY type: QT2025C
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PHY version: v2.0.2.5
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Controller type: Solarflare SFC4000
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Controller version: v3.0.3.2127
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boot ROM version: v3.0.3.2127
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The PHY firmware is up to date
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The boot ROM firmware is up to date
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The controller firmware is up to date
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eth2 ‐ MAC: 00 ‐ 0F ‐ 53 ‐ 01 ‐ 39 ‐ 71
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Firmware version: v3.0.2
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PHY type: QT2025C
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PHY version: v2.0.2.5
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The PHY firmware is up to date
5.10 Performance Tuning on VMware
• Introduction on page 281
• Tuning Settings on page 282
• Other Considerations on page 286
Introduction
The Solarflare family of network adapters are designed for high ‐ performance
network applications. The adapter driver is pre ‐ configured with default
performance settings that have been designed to give good performance across a
broad class of applications. In many cases, application performance can be
improved by tuning these settings to best suit the application.
There are three metrics that should be considered when tuning an adapter:
• Throughput
• Latency
• CPU utilization
Different applications may be more or less affected by improvements in these three
metrics. For example, transactional (request ‐ response) network applications can be
very sensitive to latency whereas bulk data transfer applications are likely to be
more dependent on throughput.