Re: Slow AS400 performance

[Jerry Adams <jerry@xxxxxxxxxxxxxxx>]

When I had a similarly described problem, it turned out to be the disk 
cache battery.  There should be a way to find out in System Service 
Tools, but I'm not sure where; it's been quite awhile.


        * Jerry C. Adams
*IBM System i Programmer/Analyst
B&W Wholesale Distributors, Inc.* *
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Condon, Mike wrote:

> I am getting vague complaints from our users/developers that one of our
> AS400's (a 270, v5r3) is "running slow".
> I don't think it's a CPU problem, more like IO is getting thrashed. 
> One Developer suggested that it may be QYIVRIPS. I did notice the
> message "Attempt to download a current phone list was unsuccessful." in
> it's job log, but I'm not too excited over that. 
>
> What tools/methods are there for determining who/what is thrashing the
> IO on the machine? 
> I'd rather start this way rather than calling IBM, telling the vaguely
> "our machine is running slow", and then imagining the IBM Tech's eye's
> rolling back in his head upon hearing the question.
>
>