To expand - indirect cataloging AKA indirect volume serial support, allows
dynamic resolution of non-VSAM non-SMS managed datasets and multiple master
catalogs
David
On Tuesday, November 18, 2025 at 01:15:31 PM EST, Dave Gibney
<[email protected]> wrote:
For what it's worth, I think the last time I did a new master catalog was
before OS390
> -----Original Message-----
> From: IBM Mainframe Discussion List <[email protected]> On
> Behalf Of David Purdy
> Sent: Tuesday, November 18, 2025 7:58 AM
> To: [email protected]
> Subject: Re: ZOS SMS Datasets Migration?
>
> I've used RCNVTCAT/TCNVTCAT a lot when building a new master catalog
> Exploring Tivoli ACM to accomplish the same David
> On Tuesday, November 18, 2025 at 10:08:40 AM EST, Matthew Stitt
> <[email protected]> wrote:
>
> SYS1 HLQ datasets have a special catalog option available. They can be
> cataloged in multiple master catalogs at the same time.
>
> This is how I migrate my SYS1 stuff to the new systems without copying them.
>
> Look up SCONVCAT (RCONVCAT) in file 494 on the CBT Tape
> (CBTTAPE.ORG). Can compare catalogs and generate IDCAMS commands to
> catalog datasets into the new catalog.
>
> Matthew
>
> On Mon, 17 Nov 2025 22:12:45 -0600, Steve Estle <[email protected]>
> wrote:
>
> >Hello,
> >
> >I'm in midst of building out new ZOS 2.5 system via ServerPac - migrating
> from ZOS 2.4. Built out new ServerPac with new master catalog and then tried
> to migrate over SMS (ACDS, SCDS, COMMDS) from old catalog to new and
> only method I could come up was to clone (used FDRDSF to copy two of them
> and then SMS to make copy of 3rd. (they are all SYS1 prefixed datasets) - so
> created new SMS datasets with different names from current ones and then
> copied existing contents to new datasets and then IPLed this morning.
> >
> >Well quickly found out that internally SMS datasets have references to the
> original dataset names internally which led to SMS not being able to
> initialize.
> >
> >How do you ZOS / SMS experts handle such SMS dataset migrations between
> two master catalogs? Obviously I'm not going about this the right way. And
> yes, I do have an open ticket with IBM as well but wanted to throw this out to
> group???
> >
> >Thanks - all answers / suggestions are welcome.
> >
> >Steve Estle
> >CDW
>
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