That is exactly what I did.  Well, "as quickly as I could type", in any case.
We have PDSESHARING(NORMAL) in our IGDSMSxx file, for whatever that might be 
worth.

Frank  

On 8/8/2009 at 1:31 AM, in message
<edfbe8a9b39ed541ba3c8177c32ff0c8bc3...@exchangevs-02.ad.wsu.edu>, "Gibney,
Dave" <gib...@wsu.edu> wrote:
> Actually I was speculating about the ability to "refresh" in memory
> knowledge of the PDSE(s) in the other LPAR(s). What you describe is not
> guaranteed.
>   Try 1. Run existing copy of the program in LPAR-P. 2. Quickly update
> it from LPAR-other. 3. Quickly try in LPAR-P. I don't believe you will
> always get the new version.
> 
>> -----Original Message-----
>> From: IBM Mainframe Discussion List [mailto:ibm-m...@bama.ua.edu] On
>> Behalf Of Frank Swarbrick
>> Sent: Friday, August 07, 2009 1:34 PM
>> To: IBM-MAIN@bama.ua.edu 
>> Subject: Re: DASD: to share or not to share
>> 
>> So for example, if our change control process for applications runs in
> DEV
>> (which is how we have it in VSE) we should be able to update our
>> production application loadlib PDSE from DEV exclusively and this will
> not
>> be a problem, even without a Sysplex?  I am curious as to where I find
>> this PDSE address space refresh command, and if it's really needed.  I
>> just compiled a program in to a PDSE in DEV and ran it in PROD and it
> ran
>> the new version just fine.  Did it twice just to make sure.  No
> problem
>> either time.
>> 
>> Frank
>> 
>> On 8/7/2009 at 3:27 AM, in message
>> <edfbe8a9b39ed541ba3c8177c32ff0c8bc3...@exchangevs-02.ad.wsu.edu>,
>> "Gibney,
>> Dave" <gib...@wsu.edu> wrote:
>> > I agree, but I doubt this applies to someone converting from VSE to
>> > their first z/OS LPAR(s). And, I think with "careful" change
> management,
>> > you could update even shared PDSE without sysplex. Do the update
> from
>> > only one system ever and cause that PDSE address space (can't
> remember
>> > it right off) to refresh in the other LPARs.
>> >
>> >> -----Original Message-----
>> >> From: IBM Mainframe Discussion List [mailto:ibm-m...@bama.ua.edu] 
> On
>> >> Behalf Of Bruce Hewson
>> >> Sent: Thursday, August 06, 2009 10:51 PM
>> >> To: IBM-MAIN@bama.ua.edu 
>> >> Subject: Re: DASD: to share or not to share
>> >>
>> >> Hi Dave,,
>> >>
>> >> with systems that are only IPL'd every 3-5 months, YES, there will
> be
>> >> updates
>> >> to those volumes. Changes still happen, and many fixes do not
> require
>> > an
>> >> IPL
>> >> to implement, only careful change management.
>> >>
>> >> On Thu, 6 Aug 2009 14:18:15 -0700, Gibney, Dave <gib...@wsu.edu>
>> > wrote:
>> >>
>> >> >It may not be "supported", but PDSE that are only read are safe to
>> > share
>> >> >betwixt anything. And, since it's a "live" resvol, it is of course
>> > not
>> >> >subject to updates, right?
>> >> >
>> >> >Dave Gibney
>> >> >Information Technology Services
>> >> >Washington State University
>> >> >
>> >>
>> >>
>> >> Regards
>> >> Bruce Hewson
>> >>
>> >>
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