MVS 3.8 – SYSTEMID / NAME / SID

Change the System Name or ID

Edit SYS1.PARMLIB(SMFPRM00) and change the SID value..

OPT=2,                      SYSTEM,JOB AND STEP DATA COLLECTION    
EXT=YES,                    USER EXITS ARE TO BE TAKEN             
JWT=60,                     MAXIMUM WAIT TIME IS 60 MINS           
BUF=8192,                   an 8192 byte buffer is defined         
SID=TK5R,                   system id is TK5R,                     
OPI=NO,                     No OPERATOR INTERVENTION               
DSV=3,                      collect data set and volume information
MAN=ALL                     USER AND SYSTEM RECORDS PERMITTED      

Restart JES2 cold

Stop JES2

$PJES2

Start

S JES2,PARM='COLD,NOREQ'

Links

• https://groups.io/g/H390-MVS/topic/how_to_change_mvs_system_id/85059973?p=,,,20,0,0,0::recentpostdate/sticky,,,20,0,40,85059973,previd%3D1638665644424491483,nextid%3D1627105493736034044&previd=1638665644424491483&nextid=1627105493736034044
• https://www.ibm.com/docs/en/zos/2.4.0?topic=jes2-performing-orderly-shutdown-member