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USENIX '99 Annual Technical Conference
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Tuesday, June 8, 1999
Full Day Tutorial Session (9:00 am - 5:00 pm):
T4   High Availability - Getting and Maintaining It
Evan Marcus, Veritas Software, Inc.

Who should attend: Novice and advanced UNIX system and network administrators, and UNIX developers concerned with building applications that can be deployed and managed in a highly resilient manner. A basic understanding of UNIX system programming, UNIX shell programming, and network environments is required.

This course will explore procedures and techniques for designing, building and managing predictible, resilient UNIX-based systems in a distributed environment. Hardware redundancy, system redundancy, monitoring and verification techniques, network implications, system and application programming issues will all be addressed. We will discuss the trade-offs between cost, reliability and complexity. Topics to be covered:

-   High availability - who does (and does not) need it
-   Defining uptime and cost - "big rules" of system design
-   Disk and data redundancy - RAID and SCSI arrays
-   Host redundancy in HA configurations
-   Network dependencies
-   Application system programming concerns
-   Anatomy of failovers - applications, systems, management tools
-   Planning disaster recovery sites and data updates
-   Security implications
-   Upgrade and patch strategies
-   Backup systems - off-site storage, redundancy and disaster recovery issues
-   Managing the system managers, processes, verification

Evan Marcus (T4 Instructor)   is a Senior Systems Engineer and High Availability Specialist with VERITAS Software Corporation. Evan has more than 12 years of experience in UNIX systems administration. While working at Fusion Systems and OpenVision Software, Evan worked to bring the first High Availability software application for SunOS and Solaris to market. Evan has authored several articles and talks on the design of High Availability Systems.

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