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SNAPSHOT UPGRADE FEATURE for IMS 6.2 Customizing after installation

Managing the XBM repository

The XBM repository stores all management sets and configurations that you define. The XBM repository also stores the XBM options that you have specified. When you save an XBM file or change the XBM options, XBM writes the changes to the repository. When you install XBM, you allocate the data sets for the XBM repository.

The repository consists of at least one internally managed VSAM keyed-sequenced data set (KSDS). You can allocate up to nine repository data sets per XBM subsystem, with the additional data sets serving only as backup copies. BMC recommends that you allocate at least two copies of the XBM repository and place them on different devices.

No matter how many data sets you allocate for the XBM repository, XBM keeps all data sets current. Maintaining multiple copies of the XBM repository on different devices helps ensure that you will not lose data that is stored in the XBM repository.

Note

Before upgrading to a new version or release of XBM, you should always make a backup copy of your existing repository. Repository formats are not backward compatible. If you do not back up your repository before you upgrade, you can revert to an earlier version, but you might have to re-create your repository (including management sets, configurations, and any XBM options that you specified).

This section contains the following topics:


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Last modified by Sharad Pawar on Jan 28, 2019
customization

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Using XBM user exits
Allocating the XBM repository data sets
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