What is active-active and active/passive clustering?
The key difference between these two architectures is performance. Active-active clusters give you access to the resources of all your servers during normal operation. In an active-passive cluster, the backup server only sees action during failover.
What is meant by active-active?
In Active/Active mode, two or more servers aggregate the network traffic load, and working as a team, they distribute it to the network servers. The load balancers can also remember information requests from users and keep this information in cache.
What is an active-active configuration?
An active/active configuration consists of two or more servers actively running a different database instance with each serving as a backup for each other. The database instances must be on different shared physical disks.
What is active and passive mean?
In a sentence written in the active voice, the subject of sentence performs the action. In a sentence written in the passive voice the subject receives the action.
How does Active-passive work?
Active/passive clusters operate by having redundant groups of resources (such as CPU, disk storage, network connections, and software applications) that provide service when the primary system resources fail. When the active node fails, the cluster can fails over to one of the inactive nodes.
How do you setup a SQL cluster?
In order to install SQL Server in a cluster, you must first set up an operational cluster as follows: Install a Windows Server operating system that supports the MSCS on each server. Establish a “public” network connection for each server. The public connection is the interface on which requests are received.
How does SQL cluster work?
SQL Server cluster is a collection of physical servers that has access to the shared storage. Those servers that are linked together through cluster services acts as one system and the connected servers are called “nodes”. The communication between the nodes takes place through private network and each server are independent, making them standalone.
What is SQL server clustering?
A Microsoft SQL Server Cluster is nothing more than a collection of two or more physical servers with identical access to shared storage that provides the disk resources required to store the database files. These servers are referred to as “nodes”.