Robotic library drives shows as standalone tape drives

Hello

We are using BE2012 and we have netapp.

2 different library connected to directly on netapp

1 tape library connected to switch which is directly pointing to BE2012 server.

The tape drive shows as stanalone for one of the library connected on netapp.

Please suggest after reviewing the screenshot and at this moment the library which directly pointing to BE2012 server is disconnected and then we have take the screenshot.