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Backup and recovery z/OS DFSMSdss Storage Administration SC23-6868-01 |
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General backup should be done at both the data set and the volume level. To protect against users accidentally deleting or changing their data sets, it is usually more efficient to do incremental backup (logical backup of those data sets that changed since they were last backed up). Incremental backups minimize processing time because you are not backing up every data set. Logical backup lets you restore data sets to unlike devices. |
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