Need better understanding about low throughput issues & it's troubleshooting methodology in NBU 7.5.0.X

Dear ALL,

Need better understanding about low throughput issues & it's troubleshooting methodology in NBU 7.5.0.X for all platform (Unix + windows)

- What I need to check for media server N/W configuration buffer parameters ?

- What exactly i can conclude from bptm log of respective server ?

- up to what extent Tape library is responsible for throughput issue

( scenario like tabe library hosted on " A " server showing delay in mounting media on " A " (delay parameter & all nothing have changed ) & same giving low throug-put for server B on which same tape drives are zoned . is this issue is relevant to each other & can cause

low throug-put )

Also mentioned most of the point that i may have missed out as per your experiacne

Thanks