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Status Not under consideration
Workspace IBM i
Categories Core OS
Created by Guest
Created on Feb 3, 2017

Evitar que un abrazo mortal paralice la maquina

Cuando se presenta una situación de LCKW masivos, mientras se encuentran los trabajos que están en abrazo mortal, la maquina deja de responder.
La búsqueda es bastante dispendiosa, cuando encontramos los trabajos causantes del LCKW masivo, lo que hacemos es finalizarlos de forma inmediata.
considerando que en muchas oportunidades por temas de tiempo es imposible seguir buscando, nos ha tocado finalizar el subsistema QINTER(sacando a todo el banco de operación) y finalizar la Banca Virtual, dejando sin acceso a todos los clientes del banco.
De ahí la importancia de contar con una herramienta que permita la determinación rápida de los procesos que están causando el bloqueo masivo con el fin de poder lograr que no se llegue a extremos como el citado anteriormente.


Use Case:

Cajas, banca virtual, aplicaciones internas WEB


Idea priority High
  • Guest
    Reply
    |
    Feb 17, 2017

    I cannot read this RFE because of the language difference. However I have reviewed your PMR which has been translated to English and I believe you may be asking for a way to help find the job holding a lock causing other jobs to go to LCKW status. If this is not your request, please respond back in English so that we may further evaluate your request.

    If one or more jobs are hung waiting for an object lock, you can use the IBM Navigator for i web interface to track down the lock holder.
    1. Expand Work Management > Active Jobs to find the job that is waiting for a lock (Detailed Status will be ???Waiting for lock').

    2. Right-click the Job Name and click Details > Locked Objects.
    This brings up a list of all the objects that the job either has locked or is attempting to get a lock on.

    3. Find the object the job is waiting to lock (ie. Lock status is Waiting) then right-click and select Lock Holders.
    The job with the Lock Status = Held is the job holding the lock. You can right-click>Details on this job to get more information about what the job is doing. For example, you might want to look at call stack or the locks for more information. If the job is hung, you can right-click>Delete/End to end the job.

    Note: The Locked Object GUI only displays object locks on external object types. If the job is in a lock wait status, but you do not see an object in a lock status of ???waiting,' the job may be waiting on a space location lock, or a lock on an internal object.