On 18 Jan 2010 01:36:51 -0800, in bit.listserv.ibm-main you wrote:

>Historically at our site we checked the jobcard in Exit 2 which had
>time specifications in the accounting field and then added time and class
>according to those specifications. 
>    Finally, we are moving from z/os 1.6 to 1.8 and have to either recode
>exit 2 to include and add exit 52 or better yet use some dynamic mechanism
>to restrict jobclasses in the jobcards.
>    The ideal solution which we hope to implement is to stop using time
>within the jobclass jes2 parameter definition - allowing unlimited resources
>which WLM will then control by userid, time of day, etc.  
>    However, we still must restrict the user overriding the definitions
>within WLM by defining the class in the jobcard.  
>    Which brings us to your solution of checking jctjclas in exit 6 against
>home-grown racf facility or jobclass. - amazing solution - we can't find the
>right pointer in the cbt tapes - would you direct us please- thanks
>
While old, file 175 on the CBT tape - Philips Utilities from Clark
Morris can give you a good start.  There is an exit 6 that works on XA
and I believe worked on ESA which takes the submitter, job card time,
number of tape drives used (determined by catalog search plus
UNIT=TAPE) and TCAM queues and sets the job class ignoring the job
class on the input with some exceptions.  You could upgrade it to use
RACF for determining authority.  The philosophy of the exit was that
the system knew the rules for the jobs classes so let the system set
the job class.  This was done as part of a JES3 to JES2 conversion
where most jobs ran in CLASS=NORMAL.  It also set FCB based on form in
sysout and cut SMF records for PROC usage.  If you have questions my
e-mail is [email protected].

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