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Informix-Tutorials-3 Managing-Informix-Disk-space.pdf
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2023-06-20
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Informix 教程 3 :磁盘 I/O 通常是数据库的性能瓶颈。每个事务都需要快速安全地写入磁盘。您如何为 Informix Server 设置和配置磁盘空间?哪些磁盘和 RAID 配置可提供最佳性能和可靠性?
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Advanced DataTools
Webcast
from the IBM Informix Champions
Informix Tutorial
Managing Informix Disk
Space
by Lester Knutsen
Thursday, March 19, 2020
2:00pm EDT
Lester Knutsen
Lester Knutsen is President of Advanced DataTools
Corporation and has been building large data
warehouse and business systems using Informix
Database software since 1983. Lester focuses on
large database performance tuning, training, and
consulting. Lester is a member of the IBM Gold
Consultant program and was presented with one of
the Inaugural IBM Information Champion awards by
IBM. Lester was one of the founders of the
International Informix Users Group and the
Washington Area Informix User Group.
lester@advancedatatools.com
www.advancedatatools.com
703-256-0267 x102
2
Webcast Guidelines
• The Webcast is being recorded. The
Webcast replay and slides will be
available in a few days.
• Please Mute your line. Background
sounds will distract everyone.
• Use the Chat Button in the upper right
to ask questions.
3
Informix Tutorial
Managing Informix Disk
Space
by Lester Knutsen
How do you set up and configure the disk space for an Informix
Server? Disk IO is often the performance bottleneck for database
servers, as every transaction needs to get written safely to disk.
What disk and RAID configurations provide the best performance
and reliability?
Agenda
• Demo – Using InformixHQ to manage Dbspaces
• Types of Data Storage (SAN, Disk, SSD)
• What is RAID? Advantages and Dangers or RAID
• RAW vs. Cooked Space
• Dbspaces, Chunks, and Pages
• Informix Storage Pool and Extendable Chunks
• Disk Layout Best Practices
• Monitoring Disk Performance
• Demo – Using onspaces and sysadmin:task to
manage Dbspaces
Informix Disk Space 5
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