This is giving me flash-backs.... In the 'bad old days' we used to manipulate the master catalog initialization code in NIP to actually do what you are talking about. We had one master catalog for 'production' jobs and one for 'test' jobs. We zapped the Operating System code at crucial points (Open, Close, etc), looked at the category of the job to determine which catalog to use, and then [pointed to the appropriate master catalog. The confusion this brought on cannot be overstated! Folks would catalog a SYS1 dataset with a 'test' job and wonder why it couldn't be found by a 'production' job. Also, it lead to datasets with duplicate names that had different data. It was a real mess and took a long time to clean up. End of story. Now, to your question...No, there is only one master catalog on a system. I am not sure what you are hoping to accomplish, but be glad that there is only one master catalog. Jon
-----Original Message----- From: IBM Mainframe Discussion List [mailto:[email protected]] On Behalf Of jagadishan perumal Sent: Thursday, January 12, 2012 11:54 PM To: [email protected] Subject: Master Catalog query Hi All, As in general we are aware that we can have 1 master catalog and multiple user catalogs in a system. It is also factual that we can have alternate Master catalog with another Updated LOADxx member. My question is to know whether if we can have possible to have multiple master-catalog with multiple user catalog running on a single image ? I tried searching google with keyword " Multiple master catalog" but I ended up with master-catalog sharing concept. Could anyone please share your thoughts or idea. Jags ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN This e-mail may contain confidential or privileged information. If you think you have received this e-mail in error, please advise the sender by reply e-mail and then delete this e-mail immediately. Thank you. Aetna ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
