Have you updated each Linux guest so that they are registered to receive 
and respond to the SIGNAL SHUTDOWN service?
Check your Linux distribution for the proper means to register for the 
SIGNAL SHUTDOWN service, and how to respond appropriately.

Mike Walter
Hewitt Associates
Any opinions expressed herein are mine alone and do not necessarily 
represent the opinions or policies of Hewitt Associates.




"Robert J McCarthy" <[email protected]> 

Sent by: "The IBM z/VM Operating System" <[email protected]>
06/03/2009 12:43 PM
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"The IBM z/VM Operating System" <[email protected]>



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Subject
Clean Linux Guest Shutdown






I am trying to develop a shutdown procedure to cleanly shutdown my linux 
guests, prior to shutting down vm. Reading the documentation in the 
virtualization cookbook for SLES10 and the vm CP COMMANDS manual; I have 
setup the following :
1. In each linux guest's /etc/inittab; I have changed the shutdown -r to 
shutdown -h
2. In my autolog1 exec I have placed the following command:
   CP SET SIGNAL SHUTDOWN 1200   ( To allow the guests 20 minutes to 
respond)
   Note: I have also entered the command manually
  When I issue the shutdown, vm shuts down before most if not all linux 
guests have responded or completed shutdown; always within a minute or 
two. As a result I end up with file corruption in some linux guests after 
vm is re-IPLed and the guests are brought back up. 
  Is there a better way to accomplish a clean linux shutdown.
                                           Thank you,
                                           Bob




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