Etienne Thijsse wrote: > > On Wed, 28 Jul 2010 00:33:10 -0500, Barbara Nitz <nitz-...@gmx.net> > wrote: > > >Can you show the ENQ that you're talking about? Reason I am asking is that I > >don't believe that you're faced with an ENQ. Rather, you are probably faced > >with a latch, as that is the way PDSE (and HFS) members and directories are > >serialized. And the reopen just hits the latch, not the ENQ. > > How do I show ENQ's ? I am afraid I don't have any experience with stuff like > this. I also have no idea what a "latch" is...?
TSO RMFMON SENQ D "M" goes back to menu. "Z" exits the utility. > > >(And yes, I have performed open-heart-surgery in the OMVS asid by > >terminating a tcb there via callrtm when absolutely NO logon to uss or access > >to any new HFS file was possible anymore. That tcb held the needed latch. It > >was preferable to reIPL a production system during the day.) > > Interestingly, I have run into the same logon / HFS file access problems twice > now, while debugging my remove() code with dbx... Technical support had to > intervene both times to get my uss logon to work again. They said it is > a "latch contention problem". This seems to point to a latch problem, like you > said. If only I know what a latch was... Maybe you can explain or point to > some doc about latches? > > Thanks, > > Etienne -- Don Poitras - zSeries R & D - SAS Institute Inc. - SAS Campus Drive mailto:sas...@sas.com (919)531-5637 Fax:677-4444 Cary, NC 27513 ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@bama.ua.edu with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html
