[Veritas-bu] HP Ultrium2 LTO II Drives Performance

[labsupport is not your Lucent handle]

Hello,
        I have installed a SUN L180 with 4 HP Ultrium2 drive (LTO2).
Media and master server is SUN fire 6800 and having LVD SCSI.
        I am backing up all the data using Gigabit Ethernet. I am gating
10 MB/s throughput on a Gigabit lan with 4 drives.
        Can any one tell what is the throughput  you are gating on LTO2
drives.
        Do  I need to do any tune for OS or NB ? to get more performance.
       

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Thanks,
Amit