Is it possible that SYSB somehow started before SYSA, if not, is it
possible that your routing mech (JES2 / JES3 / WLM / IWS / WLM) was up on
SYSB before it was up on SYSA?

James

Op di 19 mei 2026 om 05:07 schreef Peter <
[email protected]>:

> Hello
>
> I must confess that I am not an expert in JES configuration.
>
> Recently I have inherited a system where there are two plexes PLEXA1 and
> PLEXB1
>
> PLEXA1 has two lpars SYSA and SYSB
>
> PLEXB1 has two lpars PRD1 and PRD2
>
> So,
> If I submit a job from SYSA towards PRD1, it goes VIA SYSB to PRD1.
>
> It was a quite new thing to me. I went through all the JES2 definition in
> every lpars and I couldn't find how the routing is happening VIA SYSB.
>
> Has anyone implemented a similar scenario and which parameter in JES2
> controls this type of routing?
>
> Under SDSF, I could see SYSA is connected to PRD1 via SYSB
>
> Any pointers would be appreciated.
>
> Peter
>
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