db07105i dynamic extend start failed rc 07 (36)

Document ID : KB000100225
Last Modified Date : 05/06/2018
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Issue:
 We just started getting the following messages in three of our Datacom regions:
DACA:DB01705I - DYNAMIC EXTEND START A06004 TRK 330
DACA.A06004 IEC030I B37-04,IFG0554A,DACA,DACA,A06004,53B4,DACT01, 676 DACA.A06004
DACA: DB01702I - DYNAMIC EXTEND OF AREA A06004 HAS FAILED
DACA:DB01102E - UNEXPECTED 07(036) RETURN CODE ON A06 TABLE FOR ADDIT REQUEST DACA:DB01103I - ACCOUNTING FOR A06 TABLE DISABLED DACA: DB01107W - 00068 ACCOUNTING ENTRIES LOST FOR TABLE A06 DUE TO FAILURE
I found the files were at 16 extents and 100% full - can i simply copy the files to larger files and then swap them in when the regions are down? Or do i need to do some kind of a INIT or FORMAT of the files? I don't know Datacom at all..
 I found in the error manual what the message means - so i just need help in how i go about fixing the issue. Thanks. 
Environment:
z/os, CA Datacom/DB 14.0 and higher.
Cause:
The fact, that files involved were at 16 extents and 100% full, is preventing any dynamic extend facility to take place.

DBUTLTY using following SYSIN will not work:

//SYSIN     DD  *
  COMM OPTION=CONSOLE,OPTION2='DYNAMIC_EXTEND 004,A06,111,TRK'


/*  
Resolution:
The only possibility here is to:

0- Shut down the Multi-User via EOJ.
1- ALLOCATE a larger AREA using same data set name using ISPF or other meaning.
2- INIT the  AREA using DBUTLTY (see below).
3- LOAD FORMAT=NONE the AREA using DBUTLTY (see below).
4- Restart the Multi-User.

DBUTLTY job would look like:
/DBUT   EXEC PGM=DBUTLTY,REGION=0M
//DDSNAP   DD  SYSOUT=*      
//SNAPER   DD  SYSOUT=*      
//SYSOUT   DD  SYSOUT=*      
//SYSPRINT DD  SYSOUT=*      
//SYSPUNCH DD  DUMMY 
//A06004        DD  DSN=yourdsn.A06004,DISP=SHR
//SYSIN DD *
INIT AREA=A06,DBID=004 
LOAD AREA=A06,DBID=004,FORMAT=NONE  
/*           
Additional Information:
In case the file has not fully use the 16 extents, you may still use the DBUTLTY mentioned above.

see following article 000040185
/kb/Can-I-manually-extend-my-CA-Datacom-database-area-to-a-new-size-while-the-database-is-in-use/kb000040185
Title: Can I manually extend my CA Datacom database area to a new size while the database is in use?