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Conference csc32::consolemanager

Title:POLYCENTER Console Manager
Notice:Kits, Scans, Docs on CSC32:: as PCM$KITS:,PCM$DOCS:, PCM$SCANS:
Moderator:CSC32::BUTTERWORTH
Created:Thu Aug 06 1992
Last Modified:Fri Jun 06 1997
Last Successful Update:Fri Jun 06 1997
Number of topics:1541
Total number of notes:6564

508.0. "PCM system managing itself ??" by FIREBL::LEEDS (From VAXinated to Alphaholic) Wed Dec 07 1994 23:11

A customer bought a DEC 3000-300 to run PCM (under OpenVMS Alpha). They have 
managed to set it up to be the console for their CI cluster systems, their 
HSJ40s, and a couple of other systems. 

However, they also want it to be able to be it's own console manager (ie: 
they want to be able to treat the 3000-300 just like any other system PCM 
can control in terms of being able to connect to the console, have messages
displayed, etc). 

How do they do this ?? Is there a "magic" way to get PCM to treat the system 
it's running on like any other machine under it's control ?? They claim they 
can't find a console port on the 3000-300 to connect into a DECserver, but I 
haven't looked yet.

Thanks

Arlan
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508.1A possibilityZENDIA::DBIGELOWInnovate, Integrate, EvaporateThu Dec 08 1994 01:5522
    Arlan,
    
        The most your customer can do is to pariallly monitor the PCM
    platform. However, the most that they would be able to do is to monitor
    their own console events and the only way that comes quickly to mind
    is to create a psuedo-terminal which invoke 'reply/enable' This would
    cost them 1 license unit which they may or may not deem valuable.
    They would only be getting one half of the functionality. That is, they 
    could not connect to the console to perform any maintence type work on
    the system, such as halting and rebooting. (Well, they could halt it 
    but it would be suicidal).
    
       If you can verify that they do have a console port on the back of
    the PCM host platform, then the real way to go is to install PCM on
    another platform and have that system monitor the PCM system. They
    could redirect the product's functionality back to the host platform
    through the use of DECwindows. The cost would be the same but the 
    functionality would be more robust.
    
    Hope this helps. Perhaps others might have some alternate solutions.
    
    Dave
508.2console ??17219::LEEDSFrom VAXinated to AlphaholicThu Dec 08 1994 20:0619
According to the Alphanotes conference, the 3000 does have a serial console
port which can be enabled by changing a jumper on the mother board. I'm not 
sure what else it affects when this jumper is changed  - ie: does it disable 
something PCM might need (like the graphics head) ???

             <<< VAXAXP::NOTES$:[NOTES$LIBRARY]ALPHANOTES.NOTE;1 >>>
                         -< Alpha Support conference >-
================================================================================
Note 3976.1                DEC3000/300X console port?                     1 of 3
IJSAPL::KNOL "isn't every bug a bit wrong"            9 lines  21-JUN-1994 02:00
                            -< yes you can use it >-
--------------------------------------------------------------------------------
    
    A 3000-300 has an alternate console port, you have to change a jumper
    on the systemboard. If used as a server box without "head, kbd and
    mouse,you have to install a 15 pin D-plug on the keyboard/mouse 
    connector with pins 2 and 3, 6 and 7 connected, otherwise the system 
    won't auto_boot (fails kbd/mouse test 50) 

508.3CSC32::BUTTERWORTHGun Control is a steady hand.Thu Dec 08 1994 22:3127
    > ie: does it disable something PCM might need (like the graphics head) ???
    
    No it doesn't. What happens is the OPA) device is now the serial port
    instead of the graphics head. Motif will still operate normally.
    
    To further build upon what Dave said...
    
    People wanted to do the same things with VCS. Let's say you wire the
    console to a decserver port and then configure the system into the PCM
    config so that the PCM engine is now managing it's own console. Guess
    what happens if the PCM engine hangs or gets into a situation where you
    must manually reboot it from the console? Since you no longer have PCM
    running to access the PCM engines console, your forced to bring a
    terminal over and plug it into the console port and deal with the
    situation. The bottom line is - don't do it!!! Do what
    Dave said and create a pseudo-node that runs a command file that does
    SPAWN followed by REPLY/ENABLE. You can now scan all OPCOM messages
    etc. for events. If the customer pushes back and mentions hardware
    specific messages such as HALT codes the reponse is as above. If the
    machine running PCM halts and it's montoring itself it can't
    detect the event anyway since PCM is no longer running!!!!!!
    
    Now it is fully legal for two different PCM engines to manges each
    others console.
    
    Regs,
      Dan