From the course: Database Foundations: Administration
Join today to access over 22,600 courses taught by industry experts or purchase this course individually.
Standby servers
- [Narrator] The most common technique for ensuring databases are highly available is to create a duplicate server called a standby. A standby server duplicates the hardware of your primary database server. If the primary server fails and goes down, the standby server gets promoted to the role of the primary server. And it takes over the responsibilities of maintaining the RDBMS. For the most effective standby, It's important that they're as identical as possible. So they're built from the same physical components, using the same brands and capacities. This will minimize the possibility of encountering conflicts during the transition period. And trust me, when the database is down and your managers and customers are not able to connect, and looking to you for an ETA on when services will be restored, you'll want that transition to happen as smoothly as possible. Depending on your available resources and budget,…
Practice while you learn with exercise files
Download the files the instructor uses to teach the course. Follow along and learn by watching, listening and practicing.
Download courses and learn on the go
Watch courses on your mobile device without an internet connection. Download courses using your iOS or Android LinkedIn Learning app.