Quantum 3.1.4.1 manual Copyright Statement

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Document Title, 6-01376-15 Rev A, May 2010, Product of USA.

Quantum Corporation provides this publication “as is” without warranty of any kind, either express or implied, including but not limited to the implied warranties of merchantability or fitness for a particular purpose. Quantum Corporation may revise this publication from time to time without notice.

COPYRIGHT STATEMENT

© 2010 Quantum Corporation. All rights reserved.

Your right to copy this manual is limited by copyright law. Making copies or adaptations without prior written authorization of Quantum Corporation is prohibited by law and constitutes a punishable violation of the law.

TRADEMARK STATEMENT

Quantum, the Quantum logo, DLT, DLTtape, the DLTtape logo, Scalar, and StorNext are registered trademarks of Quantum Corporation, registered in the U.S. and other countries.

Backup. Recovery. Archive. It’s What We Do., the DLT logo, DLTSage, DXi, DXi-Series, Dynamic Powerdown, FastSense, FlexLink, GoVault, MediaShield, Optyon, Pocket-sized. Well-armored, SDLT, SiteCare, SmartVerify, StorageCare, Super DLTtape, SuperLoader, and Vision are trademarks of Quantum.

LTO and Ultrium are trademarks of HP, IBM, and Quantum in the U.S. and other countries. All other trademarks are the property of their respective companies.

Specifications are subject to change without notice.

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Quantum Product Name User’s Guide

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Contents StorNext Copyright Statement Contents Contents StorNext File System Tuning Underlying Storage SystemCaching RAID Cache ConfigurationRAID Write-Back RAID Read-Ahead RAID Level, Segment Size, and Stripe Size File Size Mix and Application I/O Characteristics Buffer Cache NFS / CifsSnfs and Virus Checking Metadata NetworkMetadata Controller System FSM Configuration File Settings Stripe GroupsAffinities StripeBreadth ThreadPoolSize BufferCacheSizeInodeCacheSize ForcestripeAlignment FsBlockSizeJournalSize FsBlockSize JournalSizeSnfs Tools StorNext File System Tuning Metadata Controller System StorNext File System Tuning Metadata Controller System Latency-testindex-number seconds Mount Command Options Hardware Distributed LAN Disk Proxy NetworksSnfs External API StorNext File System Tuning Guide Network Configuration and Topology SwitchDistributed LAN Servers Distributed LAN Client Vs. Legacy Network Attached StorageLoad Balancing Client Scalability Fault tolerancePerformance Windows Memory Requirements Robustness and Stability Consistent Security ModelStorNext File System Tuning Windows Memory Requirements Sample FSM Configuration File StorNext File System Tuning Sample FSM Configuration File StorNext File System Tuning Sample FSM Configuration File StorNext File System Tuning Sample FSM Configuration File StorNext File System Tuning Sample FSM Configuration File StorNext File System Tuning Sample FSM Configuration File