Hi,
You may create partitions within the 8 slots so that one partition has just one slot.
Please refer to the following document:
Creating, configuring, and targeting a backup job to a Robotic Library partition in Backup Exec 9.x and 10.0 for Windows Servers
http://support.veritas.com/docs/262055
After creating partition you may allocate the slots to different media sets having desired overwrite protection and append periods.
The following documents may prove to be helpful
An explanation of the "Overwrite Protection Period" and the "Append Period"
http://support.veritas.com/docs/237374
The basics of Advanced Device and Media Management for VERITAS Backup Exec (tm) for Windows Servers
http://support.veritas.com/docs/192265
Hope this helps.
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