on 06-21-2015 3:09 PM
Hi Experts,
Appreciate if any one shed some light regarding the following questions :
1. The real value of putting SCS into z/OS as opposed to putting everything in the same host (zLinux) for simplicity.
2. Is it Ok if we decide to separate SCS for productive systems ONLY but NOT for non-productive (i.e for system copy, client copy ... etc).
What is the best practice is this case.
My argument here is trying to avoid complexity, reduce operational effort and cost.
Thanking you.
Rgds,
Sheikh
Hello Sheikh,
please check note 821904 so you will get an idea about how complex the set up is
http://service.sap.com/sap/support/notes/821904
Regards,
Javier
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Hi Javier,
the SAP note that you mention describes the conversion of a CI (Central Instance) based installation into an installation with a separate SCS instance.
You are correct that this is a rather complicated procedure. But it is only applicable if you have a very old (6.40-based) installation and want to separate the SCS.
Since the 7.x releases the SAP standard is a SCS-based installation and I think Sheikh's question is about the pro's and con's of putting all instances on one platform (DI, SCS) versus installing SCS on z/OS and the DIs on zLinux.
Having everything on one platform (zLinux) definitely reduces the maintenance and installation effort, since you only have to deal with one platform (e.g. when applying kernel patches).
If your production system needs to be highly available then an SCS installation on z/OS is definitely the best choice. So if your production systems has the SCS on z/OS I would at least have a pre-production test system or a QA system also with the same configuration (SCS on z) such that the production system is not the ONLY system which has the SCS on z.
For development or sandbox systems an zLinux-only installation may be quicker to implement and easier to maintain.
best regards,
Harald
Hi Sheikh, right now we have SCS on Mainframe's USS and we are thinking about to migrate to zLinux because USS is not so friendly. I don't know if you talk about this situation?
regards
Gustavo
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