CVTLSO is all zero on our system, and we're using STP.
EXT2: 00FDF670
+0004 NUCLS.... F1 FLGBT.... 00 IOCID.... F0F3
+0008 DEBVR.... 00FD93C2 CVAF..... 00D5F000 MMVT..... 00FD9688
+0014 NCVP..... 00000000 QIDA..... 000000 OLTEP.... 00000000
+0024 AVVT..... 80000000 CCVT..... 00000000 SKTA..... 00000000
+0030 ICB...... 00000000 FBYT1.... 00
+0038 LDTO..... FFFFCA5B 17000000 ATCVT.... 80C8B000
+0048 BCLMT.... 00000064 LSO...... 00000000 00000000
Mark Jacobs
Charles Mills <mailto:[email protected]>
October 11, 2016 at 12:00 PM
*Somebody* sets it ... who and how?
Charles
-----Original Message-----
From: IBM Mainframe Discussion List [mailto:[email protected]] On
Behalf Of Mark Jacobs - Listserv
Sent: Tuesday, October 11, 2016 8:48 AM
To: [email protected]
Subject: Re: How set CVTLSO?
I don't think that CVTLSO is used by STP.
Mark Jacobs
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Mark Jacobs - Listserv <mailto:[email protected]>
October 11, 2016 at 11:47 AM
I don't think that CVTLSO is used by STP.
Mark Jacobs
Charles Mills <mailto:[email protected]>
October 11, 2016 at 11:43 AM
Okay, I read the paper. Good paper. Thanks. (I don't feel too bad -- the
paper only came out a couple of months ago.)
The paper is short on low level details. Does anyone know: in a "steering"
situation, does z/OS basically "change CVTLSO a little, spin a little, go
back to business as usual for a while -- repeat as necessary for seven
hours"?
Charles
-----Original Message-----
From: IBM Mainframe Discussion List [mailto:[email protected]] On
Behalf Of Mark Jacobs - Listserv
Sent: Tuesday, October 11, 2016 7:21 AM
To: [email protected]
Subject: Re: How set CVTLSO?
STP will recognize that a leap second has occurred, and slowly steer zOS
time to the actual time. Here's a good writeup on the process.
https://www-03.ibm.com/support/techdocs/atsmastr.nsf/WebIndex/WP102081
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Charles Mills <mailto:[email protected]>
October 11, 2016 at 10:00 AM
So could in fact change without an IPL? That is really the core of my
curiosity.
Charles
-----Original Message-----
From: IBM Mainframe Discussion List [mailto:[email protected]] On
Behalf Of Mark Jacobs - Listserv
Sent: Tuesday, October 11, 2016 6:45 AM
To: [email protected]
Subject: Re: How set CVTLSO?
I believe that if you're using STP to control system time, it all happens
automagically.
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Mark Jacobs - Listserv <mailto:[email protected]>
October 11, 2016 at 9:45 AM
I believe that if you're using STP to control system time, it all
happens automagically.
--
Mark Jacobs
Time Customer Service
Global Technology Services
The standard you walk past is the standard you accept.
Lt. Gen. David Morrison
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