Confused about write barriers on file systems…
As ext3 is already known as a very robust file system why is the default mount option still barrier=0? The problem is LVM and the device mapper. They do not support barriers. When mounting ext3 on a...
View ArticleUbuntu 10.04 LTS released
End of April 2010, Ubuntu 10.04 was released. As always it is based on Debian’s Testing-Release. Canonical “stabilizes” the testing tree of Debian and adds its own look. This time, Ubuntu radically...
View ArticleImplement a high available Cobbler provisioning system
A not so well known feature of Cobbler is its replication facility. It allows you to create a high available system provisioning system. The whole set up is straight forward. Background Today people...
View ArticleIdentity Management with IPA Part I
Red Hat released RHEL 6.2 on December 6th. From my point of view, the greatest news in the release is that IPA (or now called Identity Management) is now fully supported and available in the RHEL 6...
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