Lennie, I can appreciate your RFE, we used to maintain multiple mastercat’s in our prod sysplex, but do not anymore. Mostly due to the extra efforts and issues you note in your RFE. Our OMVS and CSF datasets are in usercats. We do take catalog backups 4 times a day, and our master catalog is pretty stable, as in the contents of it doesn’t change much.
As for your highlights of certain products that are or could be VSAM, we do isolate some of those items into their own USERCAT so that we can have stricter access rules for those catalogs (general public doesn’t have update access). We also happened to be a GDPS customer, so we have isolated K systems connected to the sysplex where we could do the necessary repairs if it ever came to that. While not all shops are GDPS, the idea remains similar in that you could have another disconnected lpar with access to the DASD (but offline), to do any kind of necessary recovery. Dave Jousma Vice President | Director, Technology Engineering From: IBM Mainframe Discussion List <IBM-MAIN@LISTSERV.UA.EDU> on behalf of Lennie Dymoke-Bradshaw <0000032fff1be9b4-dmarc-requ...@listserv.ua.edu> Date: Monday, November 6, 2023 at 8:02 AM To: IBM-MAIN@LISTSERV.UA.EDU <IBM-MAIN@LISTSERV.UA.EDU> Subject: Better support for multiple master catalogs in a sysplex I have just raised an RFE regarding support for better sharing of VSAM system datasets (such as RACF, ICSF key stores and ZFS file systems) when used in a sysplex with multiple master catalogs. Please would you examine it and support of relevant I have just raised an RFE regarding support for better sharing of VSAM system datasets (such as RACF, ICSF key stores and ZFS file systems) when used in a sysplex with multiple master catalogs. Please would you examine it and support of relevant for you. https://urldefense.com/v3/__https://ibm-z-hardware-and-operating-systems.ideas.ibm.com/ideas/ZOS-I-3890__;!!MwwqYLOC6b6whF7V!gDErcwuVzIRgwvRCcZtGPvKZe2wgGAOI3fK9vJWOm4eIrdxXqqQAsa01MoMDrNecT1BKVhVLI0_KyZu2WrJ83n211Cr90JjJM28$<https://urldefense.com/v3/__https:/ibm-z-hardware-and-operating-systems.ideas.ibm.com/ideas/ZOS-I-3890__;!!MwwqYLOC6b6whF7V!gDErcwuVzIRgwvRCcZtGPvKZe2wgGAOI3fK9vJWOm4eIrdxXqqQAsa01MoMDrNecT1BKVhVLI0_KyZu2WrJ83n211Cr90JjJM28$> Thanks Lennie Dymoke-Bradshaw https://urldefense.com/v3/__https://rsclweb.com__;!!MwwqYLOC6b6whF7V!gDErcwuVzIRgwvRCcZtGPvKZe2wgGAOI3fK9vJWOm4eIrdxXqqQAsa01MoMDrNecT1BKVhVLI0_KyZu2WrJ83n211Cr9tuyN6c4$<https://urldefense.com/v3/__https:/rsclweb.com__;!!MwwqYLOC6b6whF7V!gDErcwuVzIRgwvRCcZtGPvKZe2wgGAOI3fK9vJWOm4eIrdxXqqQAsa01MoMDrNecT1BKVhVLI0_KyZu2WrJ83n211Cr9tuyN6c4$> <https://urldefense.com/v3/__https://rsclweb.com/__;!!MwwqYLOC6b6whF7V!gDErcwuVzIRgwvRCcZtGPvKZe2wgGAOI3fK9vJWOm4eIrdxXqqQAsa01MoMDrNecT1BKVhVLI0_KyZu2WrJ83n211Cr9GwIOX3Q$<https://urldefense.com/v3/__https:/rsclweb.com/__;!!MwwqYLOC6b6whF7V!gDErcwuVzIRgwvRCcZtGPvKZe2wgGAOI3fK9vJWOm4eIrdxXqqQAsa01MoMDrNecT1BKVhVLI0_KyZu2WrJ83n211Cr9GwIOX3Q$>> 'Dance like no one is watching. Encrypt like everyone is.' ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN This e-mail transmission contains information that is confidential and may be privileged. It is intended only for the addressee(s) named above. If you receive this e-mail in error, please do not read, copy or disseminate it in any manner. If you are not the intended recipient, any disclosure, copying, distribution or use of the contents of this information is prohibited. Please reply to the message immediately by informing the sender that the message was misdirected. After replying, please erase it from your computer system. Your assistance in correcting this error is appreciated. ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
