What is the difference between mirroring and clustering?

Mirror is configured on database level while Cluster is set up on Instance/Server level. If your requirement is multiple database mirroring than Cluster is better option. In addtion to this Cluster is having Virtual IP & SQL Server Instance name while in Mirror Principle & Mirror is different.

What is DB mirroring?

Database mirroring maintains two copies of a single database that must reside on different server instances of SQL Server Database Engine. Typically, these server instances reside on computers in different locations.

What is the main difference between mirroring and always on?

Essentially you had to choose between using database mirroring for disaster recovery (asynchronous) or for high availability(synchronous). AlwaysOn, however, allows up to two synchronous replicas and two asynchronous replicas to be simultaneously active.

What is one advantage of clustering over server mirroring?

The biggest advantage to building a cluster is that clustering allows Hyper-V VMs to failover automatically in the event that something happens to a host server.

What is difference between replication and mirroring?

Mirroring refers to keeping copies of database to a geographically different location. Replication referes to creating multiple copies of data objects of a database for distribution efficiency. Mirroring is applicable on complete database as a whole. Replication is done on database objects.

What is the difference between mirroring and log shipping?

Log Shipping::It provides a warm standby solution that has multiple copies of a database and require a manual failover. Mirroring::When a database mirroring session is synchronized, database mirroring provides a hot standby server that supports rapid failover without a loss of data from committed transactions.

What is database mirroring or shadowing?

Mirroring is also known as Shadowing, is the process of creating multiple copies of data and database. Generally in mirroring, the database is copied on totally different machine or location from its main database.

Does SQL always require Windows clustering?

Windows Server Failover Clustering and Availability Groups Deploying Always On availability groups requires a Windows Server Failover Cluster (WSFC). To be enabled for Always On availability groups, an instance of SQL Server must reside on a WSFC node, and the WSFC and node must be online.

What is an SQL cluster?

SQL Server clustering is the term used to describe a collection of two or more physical servers (nodes), connected via a LAN, each of which host a SQL server instance and have the same access to shared storage.

What is failover clustering in SQL Server?

A Windows Server Failover Cluster (WSFC) is a group of independent servers that work together to increase the availability of applications and services. SQL Server takes advantage of WSFC services and capabilities to support Always On availability groups and SQL Server Failover Cluster Instances.