176Integrating Backup Recovery and Media Services and IBM Tivoli Storage Manager
8.2 Performing a system backup
You must back up system-related data to tape. There is no alternative. If you do not do this,
you have to use an old, but still valid, system backup to recover your system’s data portion.
The only other alternative is to use the distribution CDs. Both of these options normally lead
to loss of vital data that has been altered. You may also lose code corrections (program
temporary fixes (PTFs)).
The simple way is to use a BRMS control group that is already included in the product. This
assumes you have no special routines to take down ...
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