August 2012
Intermediate to advanced
1416 pages
33h 39m
English
book
Microsoft SQL Server 2012 Bible
by Adam Jorgensen, Jorge Segarra, Patrick LeBlanc, Jose Chinchilla, Aaron Nelson
Content preview from Microsoft SQL Server 2012 Bible
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Chapter 27
Database Mirroring
In This Chapter
Understanding the Database Mirroring Overview
Configuring Database Mirroring
Monitoring Database Mirroring
Pausing or Removing Database Mirroring
Using Role Switching
Experiencing High Availability/AlwaysOn
Configuring AlwaysOn Availability Groups
Monitoring AlwaysOn Availability Groups
Achieving high database availability is one of the most important goals for critical business applications. Database mirroring is a software solution offered by Microsoft SQL Server 2012 to achieve high database availability. Database mirroring enables you to maintain a copy of your production database that could potentially be completely synchronized on a separate server for failover if a failed production server or database occurs. Like log shipping, database mirroring provides high availability at the database level, but unlike log shipping, you can configure database mirroring to provide no data loss and automatic failover.
What's New in SQL Server Database Mirroring?
One of the most exciting new enhancements in SQL Server 2012 is the AlwaysOn Availability Groups feature, which is the next evolution of the existing mirroring technology. With AlwaysOn Availability Groups, SQL Server 2012 enables you to have multiple, readable secondary databases. AlwaysOn Availability Groups also allows you to group databases together so that in the event of failure they will fail over together.
Another important thing to note is that as of the release of ...
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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.