SAP AS ABAP Administration · OS Integration: Directory Structure & Users

You already watch the fill level of the database and log filesystems. Why does SAP insist you also clean up the transport and instance directories, and what actually breaks if you don't?

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More in OS Integration: Directory Structure & Users

A colleague proposes 'prd' as the SID for the new production system. It's short and three characters, yet installation rejects it. What are the hard rules for a valid SID?

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The team wants 'SAP' or 'TMP' as a memorable system ID. Both are three capital letters starting with a letter, yet the installer still blocks them. Why?

On a UNIX SAP host running MaxDB, which second OS user besides <sid>adm is created, and how is its name formed?

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