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Oracle9iAS
High Availability
Modern companies are increasingly turning to application
server software as the foundation for their mission-critical business
applications and web sites. As this trend continues, the reliability and
availability of the application server itself becomes increasingly important.
Oracle9i Application Server includes advanced clustering
features to keep critical applications up and running 24x7 on low-cost
commodity hardware. Oracle9i Application Server offers Zero Unplanned
Downtime and Zero Planned Downtime through the Fast Start Fault Recovery
Architecture: in case an instance goes down, you can recover more quickly
and gracefully. Oracle9i Application Server's high availability infrastructure
includes Oracle9iAS Web Cache clusters, Oracle HTTP Server (Apache), and
Oracle9iAS Containers for J2EE. In addition, Oracle9iAS Infrastructure can take advantage of Hardware clustering techniques
to make it highly available.
FAQ:
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Oracle9iAS
Release 2 High Availability FAQ, JUL 2003 |
Certification Information:
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Oracle9iAS
Release 2 High Availability Certification Matrix,
UPDATED JUN 2003 |
Whitepapers:
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Oracle9iAS Backup and Recovery,
UPDATED DEC 2003
PDF: Download just the
whitepaper.
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ZIP |
Oracle9iAS Infrastructure: Improved Availability
with Sun Hardware Clusters, UPDATED AUG
2003
PDF:
Download just the whitepaper.
Note: This same solution has also been tested
and certified on Veritas Cluster Server 3.5 on Solaris 8.
Linux TAR: Download
to implement this solution on Linux. See included README
file for Linux specific instructions,
UPDATED AUG 2003
HP-UX TAR: Download
to implement this solution on HP-UX. See included README
file for HP-UX specific instructions,
UPDATED AUG 2003
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Middleware
Architecture Series: Clustering strategies for J2EE Application Servers,
DEC 2002
What are the consideration points architects need to keep in mind
when clustering J2EE components? This paper discusses options for
adopting strategies to make applications highly available using clustering
technologies.
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Middleware Architecture Series: Designing for
High Availability, SEPT 2002
Learn the rules to follow when designing J2EE applications for high
availability, and make the most of the clustering, transparent failover,
load balancing and other high availability features in Application
Servers
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Oracle9iAS:
Firewall and Load Balancer Architectures,
AUG 2002 |
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CTO Summit: Oracle9iAS
- Designing for High Availability, MAY
2002 |
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PDF |
CTO Summit: Oracle9iAS
- Architecting for J2EE Performance, MAY
2002 |
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PDF |
Oracle9i Application
Server: Availability, Scalability and Manageability of J2EE and Web
Cache Clusters, MAY 2002
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mod_oc4j: A technical
Overview, MAY 2002
This paper about mod_oc4j describes (among other things)
how to create OC4J clusters without using Infrastructure.
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Server 10g High Availability page.
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