Migrating SLES x64 apps SLES on SystemZ


We have a customer moving from SLES 11 on x64 to SLES (s390x) Version 11 SP2 on SystemZ.
Our apps are created in C++ and java. I would believe java apps should be no problem but pls confirm. We are more worried about C++ app. Do we need to recompile it for SLES on SystemZ?

Kind regards

Yes, definitely. The architectures are different so different compilation
should be done to run natively.

It may be worthwhile to see if they can run a SLES x86_64 VM on their
Z-series box for your application.

You could also take this opportunity to write the application in something
less platform-specific. I know that’s probably not a huge value-add for
you, but it’s an option that may help you reach other customers too.

Good luck.

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Thx Aaron.

Kind regards