Hello, z/OS 1.4, DB2 7.1 here, with a simple low-priority Friday question!

I want to write the output of a DB2 PM report to disk so I can do some 
post-processing on it.   If I leave the BLKSIZE off, or code 
DCB=BLKSIZE=0, I get a BLKSIZE of 6251 on the LRECL 133 dataset.  Since 
this is going to a 3390, (yes we even still hard-code our vol-sers) 
wouldn't I better off hard-coding a BLKSIZE of, say, 27930? 

//SQTRCDD1 DD SYSOUT=*

has become:

//SQTRCDD1 DD  DSN=WU07SG.TRACE.FILE,DISP=(,CATLG,DELETE),
//             UNIT=DISK,VOL=SER=WUDF34,
//             SPACE=(CYL,(100,100),RLSE),
//             DCB=BLKSIZE=27930

Since the post-processing will be done with Rexx, (which I expect to be 
pokey because of the volume of records) I'm wanting to help this thing 
along all I can.  (For example, I'll set the EXECIO lines value to the 
number of records in a block.)

TIA!

Stg

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