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StorNext File System Tuning Guide 1
0StorNext File System Tuning
The StorNext File System (SNFS) provides extremely high performance
for widely varying scenarios. Many factors determine the level of
performance you will realize. In particular, the performance
characteristics of the underlying storage system are the most critical
factors. However, other components such as the Metadata Network and
MDC systems also have a significant effect on performance.
Furthermore, file size mix and application I/O characteristics may also
present specific performance requirements, so SNFS provides a wide
variety of tunable settings to achieve optimal performance. It is usually
best to use the default SNFS settings, because these are designed to
provide optimal performance under most scenarios. However, this guide
discusses circumstances in which special settings may offer a
performance benefit.
The Underlying Storage System
The performance characteristics of the underlying storage system are the
most critical factors for file system performance. Typically, RAID storage
systems provide many tuning options for cache settings, RAID level,
segment size, stripe size, and so on.