Replication Glossary ​

Some of the following terms apply to both replication use cases and regular backup and restore use cases. See also Backup and Restore.

backup chain

An object that chains together all the snapshots (or backup points) for a specific replica. The default chain name for a replica is the same as the replica name.

DR system

Disaster recovery system: usually a separate storage system (NAS) or a secondary Yellowbrick cluster. Used as a target system for backup and restore operations or replication.

hot standby database

A database on a target system that receives replicated data streamed from a database on a source system.

local, primary, or source system

A Yellowbrick cloud data warehouse instance or an on-premises appliance that contains source databases for replication.

loopback replication

The process of replicating a database locally to a database that is given a different name.

readonly database

A database that only allows read operations and backups.

remote, secondary, or target system

A Yellowbrick cloud data warehouse instance that receives replicated data from source databases.

remote server

An object defined on a source system that defines the target system for replication.

replica

An object that defines the relationship between a source database, a target database, and a target system.

replica database

The target database for a specific replica.

reverse replica

A replica created during failover/failback to reverse replication from the secondary to the primary system.

snapshot

A logical object that captures the state of a database at a specific point in time. Also known as a backup snapshot or backup point.

source database

A physical database that replicates its data to a target database.

target database

A physical database that receives data from a source database via replication.