Re: Assembler question

2020-07-05 Thread Nguyen Dt
Thank you all for your inputs, I am over the problem now. In fact what i tried to do is to Move some fields to my output fields and then write it as a report. (It is a Db2 performance report, the input are from the trace buffers with the macros given by Db2 libraries) So my program is roughl

Re: Assembler question

2020-07-04 Thread Nguyen Dt
I tried the option NOALIGN when assembling , and it is OK now. So it means that i should examine my assembling listing to check if variables are not separated by some bytes for the alignement ? When i put all the variable to Character type i don't have any aligment ... In my case i see the prob

Assembler question

2020-07-04 Thread Nguyen Dt
Dear lister, I am learning assembler on my own, i have something strange that i can't explain , please help me to understand Here is a section of my code : 608 DBLWORD DS DDBLE WORD 609 PATTERN6 DC X'402020202120' 610 * 611 REPORTO7 DS 0CL274 612 OW0007DB DS XL2 613 OW

Re: Question about space allocation from Listcat display

2016-04-26 Thread Nguyen Dt
Thank you, just tried to interprete things that i see. I am a DB2 sysprog, and know that DB2 datasets VSAM information is not always current. However i think that an active log is an object that is allocated once and never changed afterward, the log is always used until it is full, so i think t

Re: Question about space allocation from Listcat display

2016-04-26 Thread Nguyen Dt
So when i read "the maximum size of a VSAM LDS is 4GB" , this means that HI-A-RBA max is 4GB , not that the max allocated tracks is 4GB/56K = 74898 ?? Thank you for your explanation Duc -- For IBM-MAIN subscribe / signoff / ar

Re: Question about space allocation from Listcat display

2016-04-26 Thread Nguyen Dt
Thank you for your reply. So does it mean that HI-A-RBA is what is "usable" of the VSAM around 4 GB ,which is the max size of a VSAM LDS and what we got from 3.4 , 85344 tracks around 4.8 GB is the "busy" space ? Thanks --

Re: Dataset DELETE question : IEBFR14 vs IDCAMS

2013-03-25 Thread Nguyen Dt
Tested the delete with IDCAMS NVR option, doesn't work .. do i miss something ? (WORK03 is SMS managed) /STEP010 EXEC PGM=IDCAMS /SYSPRINT DD SYSOUT=* /DD01 DD DISP=OLD,VOL=SER=WORK03,UNIT=3390