How To
Summary
The enterprise Linux operating system (OS) is a solid foundation for your hybrid cloud infrastructure and for scale-up enterprise software solutions. Recent releases are optimized for best-in-class Power10 Enterprise systems.
Steps
Power10:
- SLES15SP3, RHEL8.4 support Power10 native mode
- Compat-mode support to allow client to migrate from older generation Power systems ( P9 and P8 )
- Default Radix translation support in Power10 mode
- Significant improvement in encryption performance
Supported Distributions:
- Starting with Power9 only RedHat and SUSE are supported in PowerVM partitions
- Detailed info on distro support matrix covering older generation HW
LPM Support:
- Move Linux logical partitions from older generation Power systems with near zero application downtime
- Reference: LPM Guide and related information
Power Specific Packages:
- Powerpc-utils package: Contains utilities for maintenance of IBM powerpc LPARs, available as part of the distro.
- Advance Toolchain for Linux on Power: Contains latest compilers, runtime libraries
Linux + PowerVM
- Support for PowerVM enterprise features : LPM, Shared CPU Pools, DLPAR
- Innovative solutions : SAP HANA future application growth with 4PB virtual address space
- Reduce time to reload the data : Virtual PMEM support for SAP HANA
- World-class Support & Service
Best practices:
- RHEL provide predefined tunings as part of tuned service
- Refer to the latest SAP notes for recommended OS settings for SAP applications. Typically tuned is used in RHEL and saptune or sapconf in SLES
- Frequency is managed by the PowerVM. Reference: Energy Management
- Starting Power8 Huge Dynamic DMA Window helps improve I/O performance
- Starting Power9 24x7-Monitoring is integrated with perf tool. Allows monitoring entire system
- Ensure the system firmware level is current.
- lparnumascore from powerpc-utils shows the LPAR’s current affinity score. DPO can be used to improve the LPAR affinity score
More reads:
- SLES for Power and some compelling features
- Get started with Linux on Power systems, Linux on Power Systems servers
Document Location
Worldwide
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Document Information
Modified date:
04 June 2024
UID
ibm17155100