Tom, John's insulting language aside, you got my gist completely. Changing the way ENQ works at this point is fraught with danger. As much as I would like to see it, I can see no way to include volser in ENQ without major changes to the way GRS works, and that change would be a long drawn out process.
Scott Rowe On Wed, Jan 26, 2011 at 11:06 AM, Tom Marchant <[email protected]>wrote: > On Wed, 26 Jan 2011 15:06:03 +0000, john gilmore wrote: > > >Scott Rowe writes: > > > ><begin snippet> > >Also, it's far better to have false conflicts (as exists now), then to > have > true conflicts that are missed completely! > ></end snippet> > > > >It is indeed a straw man > > It is a straw man only if you can guarantee that there is no code > outside of IBM code that serializes by issuing their own ENQ on SYSDSN. > If you can't say that with certainty, it is not safe for IBM to change the > way it works. > > >no one has proposed abolishing the enq. > > No, just changing it in an incompatible way. > > There are other issues. For example, when a job creates a new data > set, there is not necessarily a volume at the time that the ENQ is issued. > > -- > Tom Marchant > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to [email protected] with the message: GET IBM-MAIN INFO > Search the archives at http://bama.ua.edu/archives/ibm-main.html > CONFIDENTIALITY/EMAIL NOTICE: The material in this transmission contains confidential and privileged information intended only for the addressee. If you are not the intended recipient, please be advised that you have received this material in error and that any forwarding, copying, printing, distribution, use or disclosure of the material is strictly prohibited. If you have received this material in error, please (i) do not read it, (ii) reply to the sender that you received the message in error, and (iii) erase or destroy the material. Emails are not secure and can be intercepted, amended, lost or destroyed, or contain viruses. You are deemed to have accepted these risks if you communicate with us by email. Thank you. ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html
