The invention discloses a cross-cluster Dores unattended
data migration method which comprises the following steps: acquiring
metadata of a to-be-migrated table by connecting a source Dores cluster, analyzing and adjusting table structure features incompatible with a target cluster in the
metadata, generating a compatible table establishment statement, and establishing a target table in the target cluster; an API of a
data migration platform is called through a preset interface, a migration task is automatically configured and submitted, and the migration task comprises a source table, a target table and table association information;
polling a task state in real time, and triggering a next migration task or an exception
processing flow according to a task execution result;
processing of all the to-be-migrated tables is executed in sequence according to a preset rule, and the number of concurrent tasks is limited to maintain cluster stability; and after migration is completed, performing multi-dimensional
data consistency verification on the source table and the target table, and triggering a repair process according to a
verification result. According to the cross-version Dores
database migration method and device, the efficiency and reliability of cross-version Dores
database migration are improved, and manual intervention and operation errors are effectively reduced.