Sadly, the standard linux tools of sar and iostat do not report on
tape devices.  You'll need to use systemtap to gather that info, and I
think there are a few systemtap scripts floating around which will
report on that, IIRC.

-- nick

>
>  I would like to track the performance of my tape drives to see what the
>  throughput is.  I am running Netbackup 5.1 for Linux (Suse) with 12 LTO3
>  drives and I want to make sure I am using them to the max.  I backup
>  around 40TB/day, and all the drives are used constantly, but I want to
>  look for bottlenecks (if there are any).
>
>
>
>  I am sure someone has done this before, I am just looking for a starting
>  point.
>
>  Thanks in advance.
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