SAP Start/Stop

Hello All,
               We are using HP-UNIX & Oracle 10.2 for our ECC 6.0 System.Our Database team has scheduled offline backup daily at 8 pm but we stop/start ECC 6.0 only on every Tuesday by crontab Scripts to stop/restart sap system before/after backup.For Other days we do not stop the application.My question is whether we need to stop/start ECC 6.0 every week once??Is there any recommendation from SAP that application should be stopped/start once a week/month??

Hi Ashley,
First of all answering to your first question
"My question is whether we need to stop/start ECC 6.0 every week once??Is there any recommendation from SAP that application should be stopped/start once a week/month??"
This has already been answered by couple of people. There is no recommendation regarding restarting the SAP system. This depends upon your IT infrastructure/ the memory and buffer usage.
You are really in a very good position to restart the SAP system daily, since you Database is going down for offline backup, there is no point in keeping the SAP System up. Reference to your below concern on the same recommended by some
"If I have 10 applications running on the same unix box along with SAP how I will manage the bufferes & the memory??My question is in HP-unix If 10 applicatiopns are running along with SAP Instance whether it is advisable to shut down SAP Instance to clean the buffers and clear the memory??"
Are these 9 Application infacing with SAP, Secondly, If I have understood right, you have the concern that shuting down SAP will may have impact on the memory being used by other 9 application. Please note that OS manages your memory. This is a starter concept that the OS allocates seprate segment of memory to every application. So shuting down SAP will only clear up the buffer & memory which was allocated to SAP only, so your rest of the application will remain intact.
Lastly, why are you not following the SAP recomendation for keeping the SAP system in a clean environment not with another 9 applications on the same system.
Hope this helps.
Regards,
Sanujit

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