Replacing LTO4 drives with LTO6

Hello Everyone,

Does any one know a step by step procedure for replacing the Tape drives.

Current configs:

2 sites with SL3000 Tape Libraries controlled by seperate media servers on each site.

Each side has 16 Fiber attached LTO4 tape drives.

Each side has multiple NDMP hosts configured with locally zoned tape drives.

Besides new Zoning what needs to be done?

Do we have to reconfigure Robots (WWPN for Libraries will not change)

Do we have to rescan all the drives on each media server or is there a short cut to avoid that?

Do we have to reconfigure tape drives on all NDMP hosts?

Thank you for your help.

Amir