>>I am looking for a way to move ICF catalog entries from one catalog to
>>another.  I have thousands of entries to move because we are
>>restructuring our catalogs.  I know I can use REPRO MERGECAT, but we
>>have MANY datasets that are in-use on this production system.  Is there
>>a better way than REPRO MERGECAT for moving production catalog entries
>>on a live system?  I would like to be able to do these moves during our
>>normal production window (no additional downtime).

>>Any thoughts/ideas are greatly appreciated. 
>>Mike Martin

I've been restructuring our catalogs for TSO users for the past 4-5 weeks 
using Dino-Software's TREX product.   I run the TREX job once with the 
following cards:
REPRO - 
       INFORMATIONONLY         - 
       DSN(                    - 
       ID0001.**,          - 
       ID0002.**,          - 
       ID0003.**           - 
                     )          - 
       MOVEALIAS(AUTO)         - 
       DETAIL                  - 
       ENQTEST(YES)            - 
       MERGECAT                - 
       OUTBCS(UCAT.TSO.S)      - 
       MASTERCATALOG(MCAT.PROD,MCAT.TECH)

The first time, it checks to determine if there are any datasets under the 
specified aliases in use and gives me a CC008 if there are.  I remove the 
ones in use to do later & run it again to ensure I get zero's.  Once I do, 
I remove the INFORMATIONONLY parm and, slick as a whistle, it moves the 
catalog entries for each of the ID's into the OUTBCS and then updates the 
alias entries in my two masters.

Very slick - I've been doing it in my 'spare' time, a couple dozen ID's at 
a time. I've run through a couple of hundred iterations of the job. I did 
have a small issue this morning which caused one of our tech guys to have 
an issue logging onto one of our tech LPARs and we were told we need to 
get the PTF for APAR OA28245 which deals with hanging SYSZVVDS enqueues 
on.

For the aliases which won't be so co-operative (translation: in use nearly 
all the time), we have Dino's Teradon product which I haven't used yet. 
I'd be interested in hearing from anyone who has used it.
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