I haven't really been paying very much attention to this topic since it's
not at all my forte - if anything is. However, I'm struck by the seeming
fact that there is no current general solution to the tape set-up problem.
If there were and some users were allowed to use the required procedure and
some users weren't then there would be a solution also to the subject line.

I remember many years ago when I submitted a job involving typically tape
mounting - there was a time when disks could be mounted per job also - then
I had to include a JES2 card - I vaguely remember. The card had to mention
in text suitable for an operator rather than a program which tape volumes
the job would require. I think the presence of the card caused the job to be
held so that the operator could release it presumably when both the tape
drives and the tapes from the library were available.

That was the state of play about 20 years ago I guess and I'm surprised
there's not a more solid solution about now - or maybe there is but,
somehow, it can't be used to block use of it by a particular user.

Chris Mason

----- Original Message ----- 
From: "Robert A. Rosenberg" <[EMAIL PROTECTED]>
Newsgroups: bit.listserv.ibm-main
To: <IBM-MAIN@BAMA.UA.EDU>
Sent: Tuesday, 27 December, 2005 2:50 AM
Subject: Re: controlling user who can mount tape.


> At 13:30 -0600 on 12/23/2005, Ed Gould wrote about Re: controlling
> user who can mount tape.:
>
> >On Dec 23, 2005, at 3:12 AM, caleb ong wrote:
> >
> >>Hello,
> >>
> >>Is there a way to restrict users from being able to submit job that
> >>requires a tape mount in os/390 ?
> >>The objective is to enable only our operations group to submit jobs
> >>that requires tape mounting. Applications group will be prohibited
> >>in submitting jobs that will require tape mounting.
> >>We have RACF as our security sw.
> >>
> >>I have looked at the racf and tso uads. it seems that you can
> >>control tso mount thru the mount attribute in the uads or the racf
> >>tso segment (tsoauth, mount attribute).  But for jobs submitted by
> >>the users , i coudn't find anyway to control this ?
> >>
> >>Can anyone provide any suggestion to do this.
> >
> >You can only do it (I am pretty sure) if you look for a MOUNT
> >message in the wto exit. Then you get to decide if you want to
> >cancel the user or not. This helps only if you have good job naming
> >standards . There *MIGHT* be away if you can get the info from
> >RACFUID
>
> This solution is not that viable since it kicks in AS the job step
> that requires the tape mount starts to execute. Thus you might have
> had a number of steps run before you run into trouble. You want a
> solution that will prevent the job from being initiated in the first
> place (such as my suggestion to have JES2 parse the converted JCL to
> spot any tape requests and trigger a JCL error at that point).

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