SAP S/4HANA Administration · SAP HANA Architecture & Persistence

SAP HANA XS Classic is still auto-installed, yet you're told both to migrate off it and not to remove it. How do you reconcile that?

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More in SAP HANA Architecture & Persistence

You're choosing the replication mode for HANA system replication to a secondary site. What does synchronous buy you, what does it cost, and when would you deliberately choose asynchronous?

A HANA system has hit its memory ceiling on a single host. You can scale up or scale out — what's the difference, and which one is the prerequisite for HA via standby nodes?

Which parameters define where HANA data and log volumes live, and in which file and section?

Your log volume is filling up even though full data backups run nightly. Given how HANA triggers log backups, why?

Why must you never relocate, rename, or delete HANA datafiles with OS commands, even with the database stopped, and what marker warns you?

What hard sizing requirement does an in-memory database (IMDB) like HANA impose that a traditional disk-based database does not?

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