SAP SYSTEM STOP | START | MEMORY CLEAN ON UNIX
This blog covers all SAP Unix commands to Bounce SAP systems and clean memory:
SAP System Bounce Sequence with all commands on Unix:
| Batch Job Hold |
| To hold critical batch jobs and check active jobs before bringing down application |
| Shutdown System |
| stopsap all(stop sap system) |
| Kill remaing processes |
| ps –ef|grep sidadm ( check if any process is running) |
| kill -9 PID (kill the process) |
| Clean Memory |
| cleanipc <systen no>remove (clean shared memory) |
| for ex:- |
| cleanipc 00 remove |
| cleanipc 01 remove |
| ipcs|grep sidadm ( to check if shared memory still exists if entries found) clean as below |
| ipcrm –s pid –m pid –m pid –m pid –s pid (clean the remaining shared memory) |
| ipcs|grep adm (should return Blank) |
| Start SAP |
| startsap all |
|
SAP Validation including Database connectivity once system is up R3trans –d (to check database connectivity) |
| Release Batch Jobs: |
| Once SAP is up,Ask batch team to release batch jobs |
To bring down system Manually:
stopsap r3 D00 (D00 Instance no, it can also be D01, D10 etc, we need to check this from cdpro –>ll )
To bring up system Manually:
startsap r3 D00
Stopping & Starting Up the Oracle Database System :
sqlplus “/ as sysdba”
sql>shutdown
or
sql>shutdown immediate
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sql>startup
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