Memorex LOCK - VERSION 2-24 Technical Information PDF herunterladen (Seite 121)

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Cycling a Dataset Version

User Reference

Use Pursuant to Company Instructions

2-57

Cycling a Dataset Version

Description Cycling is a special purpose function that allows you to change the

creation date, change the creation job name, or override the number of

versions (cycles) retained for a dataset.

You can also use this function to take one version out of the normal

retention cycle and reserve it for special retention. The recycled version

is:

 Removed from cycle retention for the dataset (it no longer counts

as a version in the cycle)

 Retained until the expiration date you specified

For example, if you have instructed BIM-EPIC to keep three versions of a

particular dataset and you cycle one version, BIM-EPIC maintains four

versions (the cycled version plus three normal versions) until the cycled

version reaches its expiration date. All uncycled versions previous to the

cycled version are retained by cycle control only. Days Retention and

Days Last Accessed Retention values no longer apply. If the datasets are

not retained under cycle control, the versions are eligible for scratch

during the next run of TSIDUTL. Versions which have been cycled in the

past are retained until their expiration date. Cycling a dataset has no effect

on versions created after the cycled version.

Use the Cycle a Version panel to execute the cycling function.

CYCLE vs.

RETAIN

CYCLE looks very similar to RETAIN. However, CYCLE is quite

different. Using RETAIN only affects the version you modify. Using

CYCLE affects the version you modify and all previous versions.

Access To access the Cycle a Version panel:

Step Action

1 Open the Primary Option menu.

2 Type M (Manage).

3 Press Enter to open the Search Catalog panel.

4 Enter the name of the dataset definition you want to cycle.

5 Type V (Version) in the Level field to open the Manage Versions

panel.

6 Tab to the version of the tape you want to cycle.

7 Type Y next to a version name.

8 Press Enter.

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