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Modifying your dump classes z/OS DFSMS Software Support for IBM System Storage TS1140, TS1130, and TS1120 Tape Drives (3592) SC23-6854-00 |
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The method for requesting encryption depends on whether you plan
to use hardware encryption or host-based encryption, as follows:
If your dump classes are currently defined to use host-based encryption (and possibly host-based compression before encryption), it is recommended that you remove the host-based encryption requests from any dump classes for which you plan to use tape hardware encryption. During the process of migrating your dump classes to use hardware
encryption, you might have some dump classes that are still defined
to use host-based encryption, while their associated SMS data classes
are defined to use tape hardware encryption. Here, DFSMSdss ignores requests for host-based encryption for these
tape volumes and, instead, uses hardware encryption. This processing
allows you to complete the migration to hardware encryption without
having to modify your dump-requesting jobs. However, removing host-based
encryption requests from a dump class when tape hardware encryption
is also requested can avoid confusion concerning which process is
active.
Note:
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