Technical Information

System Requirements

This section provides technical specifications for the installation of SUSE Linux Enterprise Server for System z on IBM z Systems.

Hardware

SUSE Linux Enterprise Server for System z runs on the following IBM z Systems hardware:

  • IBM zEnterprise System z196 (z196)
  • IBM zEnterprise System z114 (z114)
  • IBM zEnterprise EC12 (zEC12)
  • IBM zEnterprise BC12 (zBC12)
  • IBM z13 (z13)
  • LinuxOne Rockhopper
  • LinuxOne Emperor

Memory Requirements

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:

  • 1 GiB for installation under z/VM
  • 1 GiB for installation under LPAR

NOTE: Memory Requirements with Remote Installation Sources

For installation from NFS, FTP or SMB installation sources or whenever VNC is used, 512 MiB 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.


Disk Space Requirements

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:

  • 800 MiB Minimal Installation
  • 1.4 GiB Minimal Installation + Base System
  • 2.6 GiB Default Installation
  • 3.6 GB+ Recommended (with graphical desktop, development packages, and Java)

Network Connection

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:

  • OSA Express Ethernet (including Fast and Gigabit Ethernet)
  • HiperSockets or Guest LAN
  • 10 GBE, VSWITCH
  • RoCE (RDMA over Converged Ethernet)

The following interfaces are still included, but are no longer supported:

  • CTC (or virtual CTC)
  • IP network interface for IUCV

SUSE Linux Enterprise Server Starter System for System z

If you need to run a Linux-on-z-Systems pilot as a proof of concept, the Starter System from SUSE makes deployment easy by eliminating the need for a separate system to host the installation files. Additionally, this tool ensures you won't need network connectivity outside the mainframe to install your Linux servers.
More ›


Kernel Limits and Files System Support

For kernel limits and file system support, see the relevant sections on the SUSE Linux Enterprise Server pages.

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