November 2014
Beginner
280 pages
7h 37m
English
Content preview from Oracle RMAN for Absolute BeginnersBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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CHAPTER 7
Handling Online Redo Log Failures
I worked for a company that had just implemented an expensive database server with redundancy built into every component, or so I thought. The server was configured with RAID disks for all database files and the online redo log groups. The team was confident that there was minimal risk of failure with these disks.
Therefore, I decided not to multiplex the online redo log groups. A few days later, an inexpensive battery that maintained the cache for a disk controller failed. This caused corruption in the current online redo log group. As a result, the company lost data, experienced costly downtime, and ...
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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.