First, I'm a little confused. You guys never changed your clock in the past? If so, than how/why would NTP make a difference?
Second, if the application is intolerant to the time change, then, well, it is intolerant. It's not so much that it will see 1 am twice, but it will also see 1:01, 1:02, etc etc. I don't see any option but for the application to be down for the full hour plus one minute (depending on the granularity used by the application). If local politics state that the LPAR must also be down, well, I guess then the LPAR has be down. Silly, but politics are well known for being silly at times. Maybe other users impacted by the full outage could bring some pressure on management for some changes. -----Original Message----- From: IBM Mainframe Discussion List [mailto:IBM-MAIN@bama.ua.edu] On Behalf Of Lizette Koehler Sent: Friday, October 28, 2011 3:18 PM To: IBM-MAIN@bama.ua.edu Subject: STP and Time Change We just implmeneted (it is only a couple of days old) the STP on our z10s. We have an application dependent on LOCAL time. So when the clock changes on Nov 6, we think this application will see 1am twice and have problems. So, is this correct, that if we do not use an IPL the STP will adjust the mainframe at 2am to 1am? In which case my bad application will see the 1am hour again. If so, then I think our only option would be to shutdown the LPARs at 1am (12:59) and then when it is the time, IPL so that 1am is only seen once by this application. The application itself cannot be down for 1 hour. POLITICS. Anybody have any other thoughts or comments? Thanks Lizette ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@bama.ua.edu with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html NOTICE: This electronic mail message and any files transmitted with it are intended exclusively for the individual or entity to which it is addressed. The message, together with any attachment, may contain confidential and/or privileged information. Any unauthorized review, use, printing, saving, copying, disclosure or distribution is strictly prohibited. If you have received this message in error, please immediately advise the sender by reply email and delete all copies. ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@bama.ua.edu with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html