Re: BRMS SWA creates object lock causing application to fail with CPF1063 followed by RNQ0431

[Sam_L <lennon_s_j@xxxxxxxxxxx>]

If I read your message correctly, you would create a monitor which 
effectively tells the program not to update the data area?  That does 
not sound sensible to me.  Isn't replying G to an RPG message somewhat 
unpredictable?

Probably you should change. the application to wait longer to get a lock 
on the data area. Possibly with and ALCOBJ/update-dtaarea/DLCOBJ 
sequence. If the update is done only once, or infrequently per program 
execution, then it shouldn't impact performance.

Seems like this came up before with BRMS, but I found no responses:
https://archive.midrange.com/midrange-l/201010/msg00822.html

Another thread with a looping solution here:
https://archive.midrange.com/rpg400-l/200505/msg00082.html

Sam



On 9/8/2020 9:56 AM, Steinmetz, Paul via MIDRANGE-L wrote:
> During our nightly BRMS full SWA, one of our applications experienced CPF1063 - Cannot allocate data area JRNPGM01 in library BRCPGMS followed by a RNQ0431 - Data area *LIBL/JRNPGM01 was allocated to another process
> (C G D F).
>
> BRMS was in the process of doing its check point processing for this library, BRCPGMS. The check point processing only lasts for a few minutes.
>
> The application needed to update the data area, but it was locked by the save, the application went into MSGW.
>
> I know data areas are excluded from SWA.
>
> I can create a monitor that would automatically answer the RNQ0431 with a G, which would allow the application to continue without going into a MSGW.
>
> Any recommendations from the group on  handling  locks caused by BRMS causing applications to fail.
> Stopping the application is not an option.
> Excluding the object from the save is not an option.
>
> Thank You
> _____
> Paul Steinmetz
> IBM i Systems Administrator
>
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