[Info-vax] TCPIP RWAST

[abrsvc]

On Tuesday, 9 March 2021 at 11:29:48 UTC-5, Jeffrey H. Coffield wrote:
> Okay, no responses to my earlier post about TCP/IP issues. 
> 
> Anyone have an idea what can cause a process to go into RWAST on a 
> TCP/IP socket? 
> 
> I believe I have eliminated the sb_max, tcp_sendspace and tcp_recvspace 
> as the culprit. Quotas look okay and non-paged pool is okay. 
> 
> It seems to happen about once a week and a power off/on is the only way 
> to clear it as the system shutdown hangs trying to stop the batch job 
> that is in the RWAST state. 
> 
> Does anyone know how to show TCP/IP connection that are pending? 
> 
> Any clues or suggestions will be appreciated. 
> 
> Jeff
A clue here would be what resource is causing the RWAST state.  You need to use the ANALYZE to look at either the running system or a dump that you create.  Once the resource is known, then further investigation should reveal the problem.

Dan