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Disaster recovery using DFSMShsm alternate tapes with DFSMSrmm z/OS DFSMSrmm Implementation and Customization Guide SC23-6874-00 |
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DFSMShsm supports the creation of a duplicate cartridge tape, called an alternate, for each migration tape or each backup tape. The major use of this is to support remote storage of the alternate so that it can easily be used in case of a disaster. The recommended process includes these steps related to tape usage:
DFSMSrmm recognizes when DFSMShsm is opening tape data sets and tolerates the data set names that DFSMShsm uses as long as the last 17 characters of the data set name match. When you perform a true replacement by using the TAPEREPL command, without the DISASTERALTERNATE keyword, DFSMShsm uses the data set name it uses for the original tapes. |
Copyright IBM Corporation 1990, 2014
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