Thanks David,

One thing I forgot to mention is that our TSM servers are now attached
to a (IBM p670).

David Nicholson wrote:

> I have (2) TSM servers on AIX (H50 and H70) with 2GB FC adapter. I have
> (15) 3590 and 6 (3580) tape drives hanging off a single adapter from each
> server.  I'm sure in a lab somewhere that my single adapter could be shown
> to be a bottleneck when trying to stream data to all those
> drives...however in the real world that I happen to live in I rarely see
> the an adapter pushing more than 130mb.  Not sure I would recommend this
> as best practice, but I have no real complaints.
> I will say that location of the adapters can make a significant difference
> in the throughput. For instance, sharing a given bus with GigE, SSA, and
> FC tape is going to introduce a bottleneck at the bus...just something to
> keep in mind.  Some time ago I relocated the FC adapter to a different bus
> and immediately saw 40% improvement in the throughput of the adapter.
>
> David R. Nicholson