Kernel-Managed Swap Facility (KMSF) Manual

Hewlett-Packard Company—425824-005
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Kernel-Managed Swap Facility
(KMSF) Manual
Index Examples Figures Tables
What’s New in This Manual vii
Manual Information vii
New and Changed Information vii
About This Manual ix
How This Manual Is Organized ix
Related Manuals x
Notation Conventions x
1. Introduction
Virtual Memory 1-1
Virtual Memory In NonStop Systems 1-1
Conventional Swap Files 1-1
Kernel-Managed Swap (KMS) Files 1-2
Benefits of Using KMS Files for Virtual Memory 1-2
Effect of KMS Files On System Operations 1-2
KMSF and Users 1-3
Components of Managing Virtual Memory Using KMSF 1-3
Kernel-Managed Swap Space Process Flow 1-5
Characteristics of KMS Files
1-7
Default Swap Files
1-9
KMS Files and New Systems 1-10
2. Configuring KMSF
When to Configure KMSF 2-1
Guidelines for Configuring KMS Files 2-1
Avoiding Processor Halts 2-1
Location of KMSF Swap Files 2-2
Naming Configured Swap Files 2-2
Amount of Swap Space to Allocate 2-2
Using NSKCOM to Configure KMS Files 2-4
Quick Start: Adding Configured Swap Files to a New System 2-4
Making Adjustments to Your Configuration 2-6