Help Center> Distributed Cache Service> FAQ> Data Backup, Export, and Migration> Is All Data in a DCS Redis Instance Migrated During Online Migration?
Is All Data in a DCS Redis Instance Migrated During Online Migration?
Migration between single-node and master/standby instances involves the full set of data. All DBs will be migrated, and you cannot migrate specified DBs. After the migration, a given key will remain in the same DB as it was before the migration.
By contrast, a cluster instance only has one DB, which is DB0. During the migration, data in all slots of DB0 is migrated.
Parent topic: Data Backup, Export, and Migration
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