BRMS software encryption

We are obliged to be a DR center for several of our customers, and many of them require the use of encrypted tapes. We have a tape library with fiber drives, and have successfully restored data from customers using both TKLM and EKM for key managers.

We now have a customer that wants to test restoring data encrypted by using BRMS Software encryption. I've read the IBM techdocs explaining the process, and it doesn't seem to me to be optimized for DR backups intended to be restored on a different system. I'm curious if anyone has attempted this, general opinions, and were you successful or not? Does anyone know if the keystore gets updated every time a BRMS backup is made, which would require exporting a copy of the keystore (and all the steps needed to accomplish that) with every off-site tape? Or would we just need a relatively current copy of the customer's keystore?

Thanks
Dana



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