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Chapter 2
2.1 Overview
This chapter provides HPSS planning guidelines and considerations to help the administrator
effectively plan, and make key decisions about, an HPSS system. Topics include:
•
Requirements and Intended Usages for HPSS on page 43
•
Prerequisite Software Considerations on page 46
•
Hardware Considerations on page 53
•
HPSS Interface Considerations on page 58
•
HPSS Server Considerations on page 62
•
Storage Subsystem Considerations on page 81
•
Storage Policy Considerations on page 81
•
Storage Characteristics Considerations on page 91
•
HPSS Sizing Considerations on page 105
•
HPSS Performance Considerations on page 135
•
HPSS Metadata Backup Considerations on page 142
The planning process for HPSS must be done carefully to ensure that the resulting system
satisfies the site's requirements and operates in an efficient manner. We recommend that the
administrator read the entire document before planning the system.
The following paragraphs describe the recommended planning steps for the HPSS installation,
configuration, and operational phases.
2.1.1
HPSS Configuration Planning
Before beginning the planning process, there is an important issue to consider. HPSS handles large
files much better than it does small files. If at all possible, try to reduce the number of small files
HPSS Installation Guide
Release 4.5, Revision 2
HPSS Planning
September 2002
39
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