On Fri, 27 Apr 2012 16:03:21 -0500 John McDowell <[email protected]> wrote:

:>I'm trying to get a feel for problems that occur in the early stages of z/OS 
system start up (e.g. IPL/NIP).  Generally problems in these stages result in a 
non-restartable wait state, for example wait state x'0B1' (e.g. LOADxx or IODF 
problem).  
:>
:>Questions:
:>1.  FREQUENCY: How often do they occur ?

When I stick in early IPL code - not that frequent.

:>2.  DURATION: How long does it take to resolve them (e.g. minutes, hours, 
etc.) ? 

Usually not long.

:>3.  IMPACT: What are the consequences (e.g. missed SLAs, etc.) ?

None, it is a test system.

:>4.  CAUSE: What are the underlying sources (e.g. hardware, software, etc.) ?  
 

My code.

:>5.  RECOVERY: How do you recover from them ? 

Sometimes poking in storage (under VM) is enough - otherwise an SA diump.

--
Binyamin Dissen <[email protected]>
http://www.dissensoftware.com

Director, Dissen Software, Bar & Grill - Israel


Should you use the mailblocks package and expect a response from me,
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