On 29 Sep 2010 06:57:56 -0700, in bit.listserv.ibm-main you wrote: >> -----Original Message----- >> From: IBM Mainframe Discussion List >> [mailto:ibm-m...@bama.ua.edu] On Behalf Of Ted MacNEIL >> Sent: Tuesday, September 28, 2010 7:35 PM >> To: IBM-MAIN@bama.ua.edu >> Subject: Re: Anyone using the DIAG Parm VSM CHECKREGONLOSS yet? >> >> >REGION is one of those things that should not be left to >> application JCL to manager properly. >> >> I disagree (strongly) with that statement! >> Tech Support is there to help, not control! >> >> Yes. The config is a technical issue; the reason it's there >> is to support the business, ie, appdev. >> >> They know better than tech supp what is needed. > >Theoritically true. But not __always__ in practice. What has made some shops >give control of some things which should be in apps to tech support is that >apps doesn't do it correctly, and then screams that it is a system level >problem, not an application parameter problem. I have this problem with COBOL >here. Apps always does a ACCESS IS DYNAMIC on all VSAM files. Even if they >know that they are only going to do a sequential READ to read the entire file >from start to end. They state that having to use the proper ACCESS IS is just >too much of a bother. In the off-chance that they will change their mind >later, they have less code to review and change. But when the apps runs too >long, it is a system problem! This is a management problem, granted. But I'm >still the poor SOB who is screamed at. So, if I'm responsible, then I'm taking >away authority out of desperation. I would love the programmers to all be >efficiency fiends. But that's not what they are graded on, so it's not the! i! > r first concern.
Actually with the proper VSAM options, ACCESS DYNAMIC isn't that bad (experience in tuning a vendor application with I-O subroutines that all were ACCESS DYNAMIC). Just have a good BUFND. Clark Morris ---------------------------------------------------------------------- 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
