> -----Original Message-----
> From: IBM Mainframe Discussion List 
> [mailto:[EMAIL PROTECTED] On Behalf Of Alan Altmark
> Sent: Monday, November 13, 2006 10:16 AM
> To: IBM-MAIN@BAMA.UA.EDU
> Subject: Re: External Timer Source without STP on a Z9
> 
> 

<snip>

> 
> My informant says otherwise:  When you activate an LPAR it 
> will resync its 
> TOD to the CEC TOD.  After that, any STP/ETR-induced changes 
> to the CEC 
> TOD are invisible to the partition unless it explicitly enables to be 
> notified of TOD changes.  z/OS will do that.  z/VM won't.  
> (And, right, 
> IPL does not resync the TOD.)
> 
> Alan Altmark

Either that is new, or I totally misread the books back when I was
reading about this. OK, that was on a 9672 <grin>.

But it is very good to know. I'll check it out on my sandbox. My HMC
clock is off by a couple of minutes.

--
John McKown
Senior Systems Programmer
HealthMarkets
Keeping the Promise of Affordable Coverage
Administrative Services Group
Information Technology

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