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Customer is using external network between client machine and Tivoli storage server. These is data corruption between Tivoli client API (dsmSendData) and Tivoli server and client API is not indicating any data corruption. Due to this database recovery fails.
If CRC is set on server for node, Tivoli client API starts failing if there is any data corruption which is expected behavior. But because of CRC, backup process goes slow for all type of data transfer to Tivoli server.
Customer needs this facility to be enabled for sensitive data only, so corruption can be detected immediately for critical data transfer and action can be taken accordingly.
This issue is severe because of recovery failure due to data corruption.
If IBM can provide variable in dsm.opt or provide someway to enable CRC for session, it will help to use the feature (CRC) whenever required and no change is require on Tivoli server.
Idea priority | High |
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IBM has evaluated the request, and has determined that it can not be implemented at this time or does not align with the current multi-year strategy. This request may be resubmitted for consideration after 18 months from the date of submission. The request submitter will automatically be notified by email when the request qualifies for reconsideration and resubmission.
It is critical for you to understand what is causing data corruption across your network. This should not acceptable to you or your customers. Using backup software to identify integrity problems on your network is not a good solution. If you suspect data corruption being caused by the something in the network, you should find a network analyst and resolve that ASAP. Until then, you should check EVERY piece of data that is sent across that connection, not just certain sessions.