Managing File System Data Caches

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HP OpenVMS System Manager's Manual, Volume 2:...

Reserved Memory Registry

Understanding Caching

4	Managing File System Data Caches

This chapter describes how to manage the Extended File Cache (XFC) (Alpha only) and the Virtual I/O Cache (VIOC). These are the caches that the Files-11 file system uses to cache data for ODS-2 and ODS-5 volumes.

Information Provided in This Chapter

This chapter describes the following tasks:

Task Section

Disabling caching clusterwide
Disabling Caching Clusterwide

Mounting a volume with caching disabled
Mounting a Volume With Caching Disabled

Managing the Extended File Cache (Alpha Only)
Managing XFC (Alpha Only)

Managing the Virtual I/O Cache
Managing the Virtual I/O Cache

Task	Section
Disabling caching clusterwide	Disabling Caching Clusterwide
Mounting a volume with caching disabled	Mounting a Volume With Caching Disabled
Managing the Extended File Cache (Alpha Only)	Managing XFC (Alpha Only)
Managing the Virtual I/O Cache	Managing the Virtual I/O Cache

This chapter explains the following concepts:

Concept Section

Caching
Understanding Caching

File system data caches
Understanding File System Data Caches

Concept	Section
Caching	Understanding Caching
File system data caches	Understanding File System Data Caches

Understanding Caching
Understanding File System Data Caches
Disabling Caching Clusterwide
Mounting a Volume With Caching Disabled
Managing XFC (Alpha Only)
Managing the Virtual I/O Cache
Selecting VIOC on an Alpha System

Reserved Memory Registry

Understanding Caching