[Info-vax] Problem with RWMPB

[Richard B. Gilbert]

Bob Koehler wrote:
> In article <4acdac39$1_1 at glkas0286.greenlnk.net>, "Ian Dean" <ian.d.dean at baesystems.com> writes:
>> Hi,
>>     Whilst running an image, it hangs and shows a status of RWMPB (Modified 
>> page writer busy).
>>
>>     Can someone explain (in simplish terms) what is causing this and what 
>> actions I can take to overcome this?
> 
>    Your process needs to complete a page fault to bring a page from disk
>    into RAM.  In order to do that memory management is trying to make 
>    space in your process' working set by moving pages out.  This has 
>    caused the system wide cache of such pages to overfill so the memory 
>    manager is trying to write some out to the disk, most likely to the 
>    page file, but that isn't happening.
> 
>    So most likely your page file is too small.  See if you can get in
>    a "show memory/files" from some other process.
> 

If he needs to do this fairly often buying, more memory might be a good 
idea; memory responds in nano-seconds while disks respond in milli-seconds!