Technical Information

System Requirements

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


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)

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:

  • 768 MiB 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:

  • 2.6 GiB for a default installation
  • 3.6 GiB+ recommended (this is with graphical desktop, development packages and Java)

Network Connection

You need a network connection 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)
  • 10 GBE, vSwitch

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.
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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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