December 2006
Intermediate to advanced
228 pages
6h 20m
English
book
Introduction to the New Mainframe: Large-Scale Commercial Computing
by Mike Ebbers, Pilar Gonzalez Adrados, Frank Byrne, Rodney Martin, Jon Veilleux
Content preview from Introduction to the New Mainframe: Large-Scale Commercial Computing
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Chapter 5. Availability 89
Continuous Availability (CA)
This refers to the attribute of a system to deliver nondisruptive service to the end
user 7 days a week, 24 hours a day (there are no planned or unplanned
outages).
High Availability (HA)
This refers to the attribute of a system to provide service during defined periods,
at acceptable or agreed-upon levels, and mask unplanned outages from end
users. It employs Fault Tolerance, Automated Failure Detection, Recovery,
Bypass Reconfiguration, Testing, Problem and Change Management.
Disaster Recovery (DR)
This refers to recovery after a disaster, such as a fire, that destroys or otherwise
disables ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.