Is there a system log of his job successfully running before the failure? Any PTFs for z/OS or CA-Allocate applied. Wondering if there was a undocumented default of BLKSIZE=LRECL for RECFM=(U or unblocked) that was removed?
On Tue, Mar 1, 2011 at 12:55 PM, Tom Marchant <[email protected]> wrote: > On Tue, 1 Mar 2011 09:30:57 -0800, Lucy Arnold wrote: > >>//SYSUT2 DD DSN=DAPJPQ.TEST.NEW, >>// DISP=(NEW,CATLG,DELETE),SPACE=(TRK,(22430,0)), >>// DCB=(C.SYUNIV.MODEL,RECFM=U,LRECL=6184), >>// UNIT=SYSDA > > What does LRECL mean when RECFM=U? > > I found this in DFSMS Using Data Sets under the heading > 3.2.3.1.2 System-Determined Block Size > > <quote> > DASD Data Sets: When you create (allocate space for) a new DASD data > set, the system derives the optimum block size and saves it in the data set > label if all of the following are true: > > Block size is not available or specified from any source. BLKSIZE=0 can be > specified. > You specify LRECL or it is in the data class. The data set does not have to > be SMS managed. > You specify RECFM or it is in the data class. It must be fixed or variable. > You specify DSORG as PS or PO or you omit DSORG and it is PS or PO in the > data class. > .... > The system does not determine the block size for the following types of data > sets: > Unmovable data sets > Data sets with a record format of U > </quote> > > -- > 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 > -- Mike A Schwab, Springfield IL USA Where do Forest Rangers go to get away from it all? ---------------------------------------------------------------------- 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
