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Status Not under consideration
Workspace Storage Protect Family
Categories Spectrum Protect for Databases
Created by Guest
Created on Jun 22, 2021

RELATED IDEAS

TDP for SQL Integration with CDC for SQL

How to make it possible to create a custom script in IBM Spectrum Protect SQLServer to run every 8 hours and perform backup and erase logs only from the last 4 hours, keeping 4 hours of logs on the SQLServer disk.

We have a use case where two IBM tools need to work together, but the architecture of these tools impacts the functioning of the other.

We are using IBM InfoSphere Data Replication CDC for SqlServer 11.4.0 as a replication solution, which is responsible for replicating in stream form (real-time) the operations performed on the SqlServer. This tool is based on logs, and necessarily needs the operation logs (Delete, insert, update) to be able to replicate the data to a destination database.

TSM is currently our backup agent, and log backup is configured to run every 4 hours with the X command. Performing this cleanup without leaving a delta in the SqlServer logs causes CDC to stop working immediately , thus losing the reference of the operations that must be replicated.

We need to understand if it is possible to somehow perform the backup of these logs leaving for example the last 2 hours of log. It would be a backup running every 4 hours, and clearing the last 2 hours of log, thus leaving 2 differential hours on the SqlServer server.


We opened a case for CDC support TS005542637, but they don't have suggestions on how to apply this setting in TSM.

Idea priority Urgent
  • Guest
    Reply
    |     Jul 5, 2021

    InfoSphere documentation states that third party log backup tools are not supported:

    See -> https://www.ibm.com/docs/en/idr/11.4.0?topic=dl-microsoft-sql-server-online-transaction-logs-transaction-log-backups

    In this case, Spectrum Protect - Data Protection for SQL is a "third party" log backup tool from InfoSphere point of view.

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