SUSE Linux Enterprise Server for z Systems and LinuxONE
An enterprise-class, highly reliable, scalable and secure open source server operating system, optimized for IBM z Systems and LinuxONE and built to power physical, virtual and cloud-based mission-critical workloads.
For nearly 20 years, businesses have trusted their mission-critical applications to SUSE Linux Enterprise Server for z Systems and LinuxONE. As your workloads increase, turn to the operating system that’s better optimized for the mainframe and LinuxONE systems than any other Linux OS – increasing uptime, reducing operating costs and accelerating innovation. The operating system provides state-of-the-art hardware exploitation of z Systems and LinuxONE processors – for a much faster Linux system with enhanced compiler and toolchain to help boost your application performance.
More businesses choose SUSE Linux Enterprise Server for z Systems and LinuxONE than any other Linux for running workloads on IBM mainframes. The reasons are engineering excellence and long-term business expertise that accelerate innovation. SLES is optimized for IBM mainframes like no other Linux operating system, ensuring you benefit from continuous improvement and innovation. Our longstanding development jointly with IBM means you can confidently rely not only on our business expertise, but also on true engineering excellence.
High performance and throughput with support for the latest technology advances in SIMD (Single Instruction, Multiple Data) and SMT (Simultaneous Multithreading) across the full range of IBM LinuxONE and z Systems.
Increased security and data protection by supporting the latest cryptographic acceleration for secure-key operations and new hardware assists for fast data encryption.
Enhanced virtualization capabilities to boost resource utilization using KVM and z/VM, giving you the ability to create several virtual machines that run on a single processor and handle multiple workloads. This lets you reduce or eliminate the need to buy more hardware and lets you consolidate physical systems to shrink your data center footprint and simplify maintenance for your IT staff.
Advanced RAS capabilities increase reliability and reduce costs, providing extra dimensions of availability and ensuring the highest levels of security while reducing your planned and unplanned downtime and supporting the legendary RAS characteristics of IBM z Systems.
Improved operational efficiency with tools you won’t find anywhere else and by taking advantage of the networking and communications features for OpenFabrics Enterprise Distribution, shared memory communications and enhanced HiperSockets support. Our systems management tools dramatically reduce tedious, complicated and labor-intensive maintenance.
SUSE Linux Enterprise Server for z Systems and LinuxONE runs on the following IBM z Systems hardware:
A network connection is needed to communicate with your SUSE Linux Enterprise Server system. This can be one or more of the following connections or network cards:
The following interfaces are still included, but are no longer supported:
The disk requirements depend largely on the installation. Commonly, you need more space than the installation software itself needs to have a system that works properly. Minimal requirements for different selections are:
Different installation methods have different memory requirements during installation. After installation is complete, the system administrator may reduce memory to the desired size. SUSE recommends using:
For installation from NFS, FTP or SMB installation sources or whenever VNC is used, 512 MB of memory is required as a minimum. Otherwise, the installation attempt is likely to fail. Further note that the number of devices visible to the z/VM guest or LPAR image affects memory requirements. Installation with hundreds of accessible devices (even if unused for the installation) may require more memory.
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