Replication between S/4HANA 1610 FPS01 and 1610 FP...

Hello everyone,

Is it possible to make my 1610 FPS01 appliance high-available by deploying a 1610 FPS00 appliance (everything running in Azure with CAL)? I will use the system replication for the DB, but what about NetWeaver and BI VM?

And what about hosts names? I will have to modify all the hosts names on the 2nd appliance, right?

Thank you.

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SAP Cloud Appliance Library

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Please read the Installation Guide. It is explained there how to configure the High Availability for SAP Netweaver:

https://help.sap.com/doc/4f96ad1f741a10148da8f2319ad2172e/CURRENT_VERSION/en-US/NW7XX_Inst_HDB_Win_A...

https://help.sap.com/doc/4f969e0c741a1014b916996b35743373/CURRENT_VERSION/en-US/NW7XX_Inst_HDB_UX_AB...

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The guide doesn't answer to my questions.

I know how to configure HA for SAP HANA based on SAP Netweaver ABAP, my question is for the JAVA stack of Netweaver and for SAP BusinessObjects BI Platform. And also about renaming hosts.

I found some docs about HA for Netweaver JAVA and BO but nothing about hosts renaming.

You can find the guides on how to configure the HA for JAVA stack here:

https://help.sap.com/viewer/30839dda13b2485889466316ce5b39e9/CURRENT_VERSION/en-US/c8ed609927fa4e459...

But basically, if you need the HA solution I don't think the CAL deployment is the best choice.

There is a plenty of the guides on the internet how to deal with HA, just use Google:

https://wiki.scn.sap.com/wiki/display/BOBJ/Implementing+High+Availability+for+SAP+Business+Objects+C...

Thank you.

But why do you think the CAL deployment is not the best choice for HA?

I'm looking for the easiest way to deploy HA SAP landscapes on Azure, I didn't find an easiest way than CAL for now.

I just think it's easier to do it from scratch.

You need to make your SCS instance highly available and that requires the failover cluster. Of course, you can re-do some things that are already in the CAL, but in my opinion, that would require more time than setting it up from scratch. What benefits do you have by using the CAL?

I can deploy an entire SAP landscape by few clicks on Azure, that's the BIG benefit.

Doing everything from scratch on Azure seems to be very tedious. I didn't search more in depth on how to do that, but I have always heard that deploying a SAP landscape is not something you do in few hours.

You can read my blog to learn how to deploy the Azure infrastructure in half an hour 🙂

https://blogs.sap.com/2017/08/30/your-sap-on-azure-part-1-arm-templates/

I fully agree that the CAL is perfect for simple installs, but in my opinion it is not the best for complex scenarios. But honestly I didn't look at this in last three months, so maybe something has changed.

EDIT: Sorry, I have corrected the link.

Interesting, but what about licenses? Because my CAL instances are running for testing with the free trial.

And which template will deploy the same landscape I deployed with CAL?

That's what I have running on Azure through CAL:

I'm asking because I don't understand exactly the difference between all templates : https://azure.microsoft.com/fr-fr/resources/templates/?term=sap

Also, in your blog, you deployed these VMs:

020-ascs-0 – ASCS instance
020-db-0 – Database instance
020-di-0 – Dialog instance

What's the correspondence with my landscape?

I'm not a SAP admin (yet), so sorry for these newbie questions. ^^

You'll have to import the license to your system after it's created. You have 30 days to do it, as the fresh install comes with the trial license.

If you want to deploy HA, then I'd go for this template: sap-3-tier-marketplace-image-md

Then you can either add the missing servers from the portal or enhance the script, depending on your needs. You need to play around, but if you are not familiar with the SAP software installation I wouldn't go for the HA architecture.

Check out also this fantastic guide on how to deploy the Netweaver:

https://docs.microsoft.com/en-us/azure/virtual-machines/workloads/sap/high-availability-guide

Good luck with your SAP journey! 🙂

Let me add that most of the SAP CAL solutions are not simple installs but they come with a number of preconfigured scenarios. For example see SAP S/4HANA 1610 FPS01, Fully-Activated Appliance

Got it, thank you. 🙂

But just about my previous question, what's supposed to be installed on the ascs, db and di VMs created with the template?

ASCS=NetWeaver JAVA? DB=S/4HANA with NetWeaver ABAP? DI=?

And for BI, I have to create manually (or modify the template) the VM?

Yes, but it's easy to delete these preconfigured scenarios and importing our data, no?

Hi Stanimir,

sorry if I was not clear enough. Product-wise I really think that CAL is an excellent step forward. You can quickly create the instance which is great for prototyping. You can show to the customer his own system within hours.

But from the technical point of view, it's still quite simple. You basically get two application servers and two databases (SAP S/4HANA 1610 FPS01, Fully-Activated Appliance). Nothing fancy - and please notice that in this discussion we were talking about making the SAP CAL highly available. And for this purpose in my opinion SAP CAL is not the best choice.

Treat the Java instance as a separate system. So you should deploy two templates, one for ABAP and one for JAVA. For BI you can create the VM manually, depending on your needs.

But before going with the Highly Available scenarios, please read some basic information about SAP architecture. Otherwise, it's going to be very difficult for you. Firstly try to install a single system, you don't have to have already a big landscape. You can try with a clean SAP Netweaver. Then, when you distinguish the ASCS and DI you will know what to install where.

Please forgive me not giving you the exact answer. Read the manuals and you will learn everything you need 🙂

Agreed, the primary goal of SAP S/4HANA 1610 FPS01, Fully-Activated Appliance is to let you experience the S/4 best practices and not the high availability of SAP HANA and SAP NetWevaer.

I will, for sure. 🙂

Thanks.

But that doesn't mean it's not possible, right? I spent a lot of time on it, the HA is the last piece I need to implement. Also, like I said, it's completely possible to delete the preconfigured scenarios and importing our data in order to convert the test environment to a production environment?

Good luck! 🙂

Yes, sure - you can add the HA later. If at the moment it's more important for you to get a working SAP, just use CAL.

You will worry about the HA later on 🙂

What I mean, is I have already two SAP landscapes running on Azure trough CAL, I have also deployed LaMa to monitor these both landscapes, I played a little bit with SAP HANA Studio and backups and I need to configure HA between the two landscapes, for now everything's running fine. All of this to convert later on this test environment into a production environment (with a CAL subscription and with my SAP licenses of course).

So reassure me, my plan is still feasible I hope?

Can you explain how do you plan to do that?

Test to prod? I don't know, but I had the answer that it's possible here, on the forum.

But in my mind, buy a CAL subscription, bringing my own SAP licenses, deleting the data on the instances and importing my prod data.

Hi Bartosz,

What do you think?

Thank you.

Hi,

Please have a look to my latest blog where I explain how to configure High Availability in Azure:

https://blogs.sap.com/2017/11/14/your-sap-on-azure-high-availability-for-sap-netweaver-on-windows/

But to answer your question- yes, with a bit a work you will be able to modify your landscape and enable HA.

You have mentioned something about converting your test environment to production environment? Could you explain in more detail how will that look?

Hi Bartosz,

I will look at this, for sure, thanks.

Yes, by purchasing a CAL subscription and importing my own SAP licenses, this answer is not from me, you can find that on that post I created (the comments of the last message):

https://answers.sap.com/questions/335002/how-the-vms-are-stopped-with-the-schedule-option.html

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