IBM Magstar 3494 manual Inventory New Storage or Re-inventory Complete System

volume is available to go through reclamation. During the reclamation process all of

the active data from the original stacked volume is moved to another stacked

volume. After all active data is moved from the original stacked volume, its category

is set to scratch. This makes it available for reuse.

The Reclaim Threshold Percentage is initially set at 10%. We recommend that you

start with this value and slowly raise it by 5% increments, as necessary. As a

general rule try not to go above 30% to 40%. It is better to add additional stacked

volumes rather than raise this value. The higher this number is, the longer it takes

the VTS subsystem to reclaim a stacked volume because more data must be

copied from one stacked volume to another stacked volume. The Active Data

Distribution bar graph will assist you in setting this number. See ªVTS Active Data

Distributionº on page 130, for information about displaying the panel.

Figure 99. Set VTS Management Policies Pop-Up Window

The following are the push-buttons:

Add Adds an entry to the inhibit reclaim schedule.

Delete Deletes an entry from the inhibit reclaim schedule.

Save Close the panel and save all the changes made to the inhibit reclaim schedule, reclaim threshold, and free storage threshold.

Cancel

Close the panel without saving any of the changes.

Help Display the Set VTS Management Policies help panel.

Inventory New Storage or Re-inventory Complete System

These selections are typically system administrator password-protected. The inventory process can only be performed when:

vThe library manager is Offline and in Auto mode.

vThe teach process is completed.

vThe cleaner volume masks are set (see ªCleaner Volume Masksº on page 172).

vThe volser ranges are set (see Figure 102 on page 171).

Chapter 6. Advanced Operating Procedures 169