In that case i suppose the network guys want the cards up to 10gb to
avoid it dragging down the switches, even though AFAIK switches dont
care the speed of each link, just the total switching bandwidth...

Best regards,

On Mon, Aug 27, 2012 at 10:18 PM, Sam_L <lennon_s_j@xxxxxxxxxxx> wrote:
Yes, good question. The network guys are trying to plan replacing old
switches (I think) and I guess the question of the iSeries came up.

How can I measure utilization on the iSeries side? (I suppose it is a
bit much to hope for a WRKACTIP or WRKTCPACT command for network cards?)

The biggest iSeries volume that that goes over the network is Mimix
replication to our remote back up box. That fluctuates wildly depending
on what we are doing in batch, though it generally doesn't take too long
to catch up. I imagine they will try to update that bit of the network
as well.


On 8/27/2012 7:52 PM, Mike Cunningham wrote:
I don't know costs as we run 3 1GB NICs but a gotcha might be spending money for no real gain. Are you currently running your current nics anywhere near 80% utilization? Do you store and send any large files in some burst method (like sending a 100GB CAD drawing stored in the IFS). If you are not using the 1GB bandwidth going to 10GB isn't going to get you better performance. And the path to the requestor would need to be 10GB all along the way.

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