Here's a scrubbed-up version of the last MERGECAT I ran. DD CATVOL is in the
JCL but not referenced in IDCAMS control statements. As for the order of
MERGECAT and DEF ALIAS, I put them in that order. Can't say if that's required.
Note: in the original incarnation of MERGECAT, you were not allowed to REPRO
out of a master catalog for safety reasons. That restriction was relaxed eons
ago. In any case desk-check this very well to avoid utter catastrophe. ;-(
//STEP1 EXEC PGM=IDCAMS,REGION=32M
//CATVOL DD DISP=OLD,DSN=source-catalog
//SYSPRINT DD SYSOUT=*
//SYSIN DD *
REPRO IDS(source-catalog) MERGECAT -
LVL(hlq-to-move) -
ODS(target-catalog)
IF LASTCC = 0 THEN DO
DEL hlq-to-move ALIAS /* cleanup just in case */
DEF ALIAS (NAME(hlq-to-move) REL(target-catalog) )
END
.
.
J.O.Skip Robinson
Southern California Edison Company
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-----Original Message-----
From: IBM Mainframe Discussion List [mailto:[email protected]] On Behalf
Of esmie moo
Sent: Friday, September 22, 2017 10:32 AM
To: [email protected]
Subject: (External):Re: MERGECAT QUESTION
Thanks Todd,
I looked at a few examples (IBM REDBOOK) and they have DD1 statements. Do I
need to use them as well?
On Friday, September 22, 2017 11:27:09 AM, Burrell, Todd
<[email protected]> wrote:
I usually do the MERGECAT first and then define the alias. I believe the
ALIAS DEFINE will fail if there are entries in the MCAT that match it...
-----Original Message-----
From: IBM Mainframe Discussion List [mailto:[email protected]] On Behalf
Of esmie moo
Sent: Friday, September 22, 2017 11:16 AM
To: [email protected]
Subject: MERGECAT QUESTION
Gentle Readers,
We have about hundreds of user dsns which are cataloged in the MCAT because the
alias for the users were not defined.My question is the sequence I should
follow. For example do I define the ALIAS and then perform the MERGECAT? or I
perform the MERGECAT and then define the ALIAS?I don't have a test system in
which I can try it out.
Below is my jcl to run the MERGECAT:/*
//STEP1 EXEC PGM=IDCAMS,REGION=2048K,TIME=1440 //DD1 DD
VOL=SER=MCAT03,UNIT=SYSALLDA,DISP=OLD// DD
VOL=SER=TST001,UNIT=SYSALLDA,DISP=OLD//SYSPRINT DD SYSOUT=*
//SYSIN DD * REPRO -
INDATASET(TSUT3.MCAT) -
OUTDATASET(USERCAT.APPLIC) -
LEVEL(CTPRT17) - MERGECAT -
FILE(DD1) /*
//
Thanks.
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