Linux and Mainframe - Page 18 of 18 - News tips and hints about Linux and the Mainframe

Bug fix for Linux on System z extensive swapping

October 7, 2011 May 3, 2019 / By Eberhard Pasch / Uncategorized / Leave a Comment

Recently there has been a small bug fix for the swap behavior of Linux on System z. The following problem has been observed by several users:

The first time Linux started swapping it was doing so really extensively even though … Read the rest

Oracle 11g R2 – RMAN compression eating up CPU resources

October 2, 2011 June 10, 2019 / By Eberhard Pasch / Uncategorized / Leave a Comment

There have been several complaints with respect to the RMAN CPU usage on Linux on System z. At the bottom of this was always the use of the ‘BASIC’ compression method in RMAN.
So if your CPU is also too … Read the rest

Which Distribution is supported on which hardware?

September 22, 2011 May 3, 2019 / By Eberhard Pasch / Uncategorized / Leave a Comment

A frequently asked question for Linux on System z is which distributions are supported with what hardware. There are two different sources for this:

IBM is publishing tested platforms
The distributors publish their hardware certifications

On the Red Hat page

… Read the rest