Thanks for the explanation.  Much appreciated.

Jim McAlpine

On Thu, Feb 7, 2013 at 3:51 PM, Darth Keller <darth.kel...@assurant.com>wrote:

> A couple of things -
>
> &DSN(2) = 'DSNDBD'       -  'DSNDBD' in the 2nd level generally identifies
> the data component of a DB2 LDS.  Data components do not get assigned
> their own SMS Constructs.  Constructs are assigned at the cluster level. I
> see this as useless code unless your shop is actually using cluster names
> with DSNDBD as the 2nd level.
>
> 2ndly - the answer to your question is going to depend on what's in the
> filterlist &DB2E.
>
> If it contains an entry like     DB2E.**   , then all those datasets would
> be assigned SCDB2 in the &DSN(1) segment and then re-assigned SCSMS in the
> SELECT/WHEN you've shown us.   This is a result of not having a EXIT in
> the first set of statements - the allocation falls through into the next
> code segment and gets re-evaluated.  And it will continue to be
> re-evaluated after your
> SET &STORCLAS = 'SCSMS'    as that statement also doesn't appear to have a
> paired EXIT.
>
> Without the WRITE stmts Lisa mentioned, it's pretty hard to tell from what
> you've shown us.  Your allocation could actually have several storage
> classes assigned and re-assigned, with some other segment having the final
> assignment of 'SCSMS' before it finally falls out of SMS.
>
> My general rule of thumb is that the only time I don't pair a SET with an
> EXIT is when I want to set a default StorCLas.  I always pair a SET with a
> WRITE and generally its a SET, WRITE, & EXIT.
>
> I'd recommend investigating NAVIQUEST to use in testing your code & any
> changes you're thinking of making.
> ddk
>
>
> ////////////////////////////////
>
>
> I've inherited an SMS setup and I know little about SMS but this I know
> isn't working.  In the storage class ACS routines is this snippet -
>
>  IF &DSN(1) = 'DB2E' THEN
>   DO
>     IF &DSN(2) = 'DSNDBC' THEN
>       DO
>         SET &STORCLAS='SCDB2'
>       END
>     IF &DSN(2) = 'DSNDBD' THEN
>       DO
>         SET &STORCLAS='SCDB2'
>       END
>   END
> followed by this -
>
> SELECT
>     WHEN (&DSN = &DB2E)
>       SET &STORCLAS = 'SCSMS'
> Question.  Any dataset of the form DB2E.DSNDBC.** is getting the storage
> class SCSMS and not SCDB2 which is what is required.  I want all
> DB2E.DSNDBC.** datasets to get SCDB2 and any other DB2E.** dataset to get
> SCSMS.  What is wrong with the above syntax please.
>
> Jim McAlpine
>
>
>
>
>
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