HP Volume Shadowing for OpenVMS: OpenVMS Version 8.4

Chapter 10 Performance Information for Volume Shadowing

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Table of Contents

Factors That Affect Performance of a Shadow Set
Performance During Steady State
Performance During Copy and Merge Operations
Improving Performance of Unassisted Merge Operations
Improving Performance for Merge and Copy Operations
Effects on Performance
Guidelines for Managing Shadow Set Performance
Striping (RAID) Implementation

Volume Shadowing for OpenVMS is designed primarily to be a data availability product and not a performance product. Recognizing that the topics of performance and data availability cannot be completely separated from each other, this chapter discusses the performance effects that can result on systems using Volume Shadowing for OpenVMS.



Crash Dumping to a Shadowed Disk
  		 


Factors That Affect Performance of a Shadow Set