Hi all -

Let me begin by saying I am still very new to z/VM.  I am a Linux guy, not a mainframe 
fellow, so bear with me if I ask silly questions.

We are considering using one chunk of DASD space to install RHEL 3 and then having 
multiple guests access /usr, /bin, /sbin and so on read-only.  That way we apply 
updated RPMs to the "master" all the read-only guests will be updated as well.  The 
sticking point is that it seems that the read-only guests have to re-access the DASD 
before they see the updates that have been applied.

Am I understanding this correctly?  To me this sounds very problematical.  In 
Linux/Intel, when a new RPM is installed, in most cases it simply involves restarting 
the updated service for the new software to be used.  In z/Linux it seems that a 
simple update of code will require each guest to re-IPL in order to access the 
read-only DASD of the "master" image.

Can someone clarify this for me?

Thanks!
--
Thomas Cameron, RHCE, CNE, MCSE, MCT
Assistant Vice President
Linux Design and Engineering
Bank of America
(972) 997-9641

The opinions expressed in this message are mine alone and do not necessarily reflect 
the opinions of my employer, Bank of America.

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