SLES 15 OS Prerequisites & Baseline Hardening for SAP S/4HANA 2023 and HANA 2.0: Complete Field Runbook
End-to-end engineering runbook for provisioning and hardening SUSE Linux Enterprise Server 15 (SLES 15 SP3-SP6) for SAP S/4HANA 2023 (ABAP Kernel 7.93) and SAP HANA 2.0. Covers raw disk partitioning with GPT/LVM, XFS formatting without deprecated nobarrier, saptune v3 tuning, glibc AVX2 updates, THP madvise vs never, autoNUMA, CPU C-states, RemoveIPC=no, and chrony timer crash prevention per official SAP Notes.