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Sun QFS File System 5.3 Configuration and Administration Guide     Sun QFS and Sun Storage Archive Manager 5.3 Information Library
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Document Information

Preface

1.  File System Overview

2.  About the Master Configuration File

3.  mcf File Examples

4.  Configuring the File System

5.  Configuring a Shared File System

6.  Administering File System Quotas

7.  Advanced File System Topics

8.  SMB Service in SAM-QFS

9.  Configuring WORM-FS File Systems

10.  Tunable Parameters

Increasing File Transfer Performance for Large Files

How to Increase File Transfer Performance

Enabling Qwrite Capability

Setting the Write Throttle

Setting the Flush-Behind Rate

Tuning the Number of Inodes and the Inode Hash Table

ninodes Parameter

nhino Parameter

When to Set the ninodes and nhino Parameters

11.  Using QFS File Systems with SANergy (SAN-QFS)

12.  Mount Options in a Shared File System

13.  Using the samu Operator Utility

Chapter 10

Tunable Parameters

This chapter describes various ways that you can improve file system and archiving performance.


Note - Oracle recommends that you experiment with performance tuning outside of a production environment. Tuning variables incorrectly can have unexpected effects on the overall system.

If your site has a support contract with Oracle, please inform the Oracle support personnel if you change performance tuning parameters.