- Data Dictionary Definitions – Archived table and databases can only be restored to a Teradata Database if the data dictionary contains a definition of the entity to be restored.
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Locks – Teradata ARC uses a utility (HUT) lock, therefore a single user cannot initiate concurrent restore tasks. The Teradata ARC lock avoids possible conflicts when releasing locks. To restore concurrently, supply a separate user identifier for each restore task.
For restores of selected partitions, Teradata ARC applies a HUT write lock.
- UtilVersion Match – To restore selected partitions, the archive UtilVersion must match the UtilVersion on the target system if they are both non-zero. If UtilVersion is zero on the archive, the Version on the archive must match the UtilVersion on the target system. See Archiving Selected Partitions of PPI Tables.