Should be able to do this anytime. I would pick a low-activity period
just in case.
IGDSMS00 points to the SCDS/ACDS/COMMDS that will be used at the next
IPL.
If IGDSMS00 is not updated to match the current dataset usage, there may
be issues at the next IPL.
HTH,
<snip>
thx for your replies, this situation happens on a single image, so,
according to your replies I think I can do it as follows:
a) define a new ACDS:
//STEP EXEC PGM=IDCAMS
//SYSUDUMP DD SYSOUT=*
//SYSPRINT DD SYSOUT=*
//SYSIN DD *
DEFINE CLUSTER(NAME(SMS.DESV.ACDS) -
LINEAR -
VOL(*) -
CYL(75) SHAREOPTIONS(2,3)) -
DATA(NAME(SMS.DESV.ACDS.D) REUSE)
b) SETSMS SAVEACDS(SMS.DESV.ACDS)
c) SETSMS ACDS(SMS.DESV.ACDS)
PARMLIB/IGDSMS00 defs are ok. No need to change them.
Is this disruptive ?? I never did such a thing. What happens to active
jobs ?? Is it better to this out of busy period??
</snip>
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