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Five network tricks for Linux on S/390 systems

Feb 16, 2009, 14:03 (0 Talkback[s])
(Other stories by Anjali Gupta)

[ Thanks to An Anonymous Reader for this link. ]

"Linux is a very useful operating system for the IBM S/390 platform (also referred to as System z) because it consolidates connectivity among legacy, Linux, and middleware applications such as Web, mail, application servers, firewalls, etc. By working as a "native" operating system, Linux leverages all the hardware capability of the S/390 platform.

"This article shares five troubleshooting tips to counter the various problems that can arise when you bring up a Linux system on a System z series machine:

  1. Surviving a Martian invasion: Martians messages are the packets with sources that don't have any known route.
  2. Disciplining network services on restart: Sometimes when bringing up the Linux image on an LPAR, the service just doesn't behave.
  3. Intercepting corruption to your file system on shutdown: There are three ways shutdown can lead your file system astray.
  4. Making the most of cio_ignore: Or, how to shorten your list of "must sense and analyze" boot path devices.
  5. Keeping Virtual LAN from being a pain in the flash: By looking for the physical installation files.

"This article refers to various versions of SUSE Linux, so as a bonus tip, I'll shed some light on a few bugs in different versions of SUSE and give you a workaround for those bugs."

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