For what it’s worth I see IPLs in two places in SMF:
* SMF 70-1 has an IPL time field. * SMF 30 Reader Start Time for Master Scheduler Address Space is close enough. This might be useful to someone in assessing their estate. Cheers, Martin From: IBM Mainframe Discussion List <[email protected]> on behalf of Jerry Whitteridge <[email protected]> Date: Tuesday, 11 February 2025 at 16:11 To: [email protected] <[email protected]> Subject: [EXTERNAL] Re: EXTERNAL Email: Scheduled IPL Frequency We operate on an as needed basis but try to ensure we also IPL at least once each quarter to ensure training and no surprises. This isn't a fixed schedule. Jerry Whitteridge Sr Manager Managed Services Tech Operations & Innovation [email protected] 480 578 7889 -----Original Message----- From: IBM Mainframe Discussion List <[email protected]> On Behalf Of Mark Jacobs Sent: Tuesday, February 11, 2025 7:13 AM To: [email protected] Subject: EXTERNAL Email: Scheduled IPL Frequency Is there currently a recommendation for a time period between IPLs of a system, both for cleanup and dynamic change validation, or is a "it depends" situation? Mark Jacobs Sent from [ProtonMail](https://protonmail.com ), Swiss-based encrypted email. GPG Public Key - https://api.protonmail.ch/pks/lookup?op=get&[email protected] <https://api.protonmail.ch/pks/lookup?op=get&[email protected] > ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN ________________________________ Warning: All e-mail sent to this address will be received by the corporate e-mail system, and is subject to archival and review by someone other than the recipient. This e-mail may contain proprietary information and is intended only for the use of the intended recipient(s). If the reader of this message is not the intended recipient(s), you are notified that you have received this message in error and that any review, dissemination, distribution or copying of this message is strictly prohibited. If you have received this message in error, please notify the sender immediately. ________________________________ ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN Unless otherwise stated above: IBM United Kingdom Limited Registered in England and Wales with number 741598 Registered office: Building C, IBM Hursley Office, Hursley Park Road, Winchester, Hampshire SO21 2JN ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
