Aug 1, 2009

RCSP Study Guide - NFS

NFS Optimization

You can configure Steelhead appliances to use Transaction Prediction to perform application level latency optimization on NFS. Application-level latency optimization improves NFS performance over high latency WANs.

NFS latency optimization optimizes TCP connections and is only supported for NFS v3.

You can configure NFS settings globally for all servers and volumes, or you can configure NFS settings that are specific to particular servers or volumes. When you configure NFS settings for a server, the settings are applied to all volumes on that server unless you override settings for specific volumes.

• Read-ahead and read caching (checks freshness with modify date)
• Write-behind
• Metadata prefetching and caching
• Convert multiple requests into one larger request
• Special symbolic link handling
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