Thanks, all. I think I will go with the time in the SMCA. It's only two hops
away from x'00000010' and it makes no difference which specific IPL
component's start time I get.
Charles
-----Original Message-----
From: IBM Mainframe Discussion List [mailto:[email protected]] On Behalf
Of Barry Merrill
Sent: Saturday, December 31, 2011 6:24 AM
To: [email protected]
Subject: Re: Date and time of IPL API?
And, reading the time of an SMF ID=0 record will NOT prove that the system
was IPL'd.
The ID=0 (for MANY years) is written when SMF is STARTED or RESTARTED, and
there's no flag to indicate which.
The only SMF records that are guaranteed to report a SYSTEM IPL are the
ID=90, subtype 8 (IPL PROMPT) or subtype 10 (IPL SRM).
And, the IPLTIME field in those ID=90's is on GMT, with NO GMT OFFSET
provided, so the SMFTIME, in the SMF header, which is on the local time
zone, must be used.
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