CHAOS: Linux from Livermore
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manual explains the goals and user-relevant features of CHAOS,
which is Livermore Computing's Clustered High-Availability Operating
System (a locally modified version of Linux with associated system
This document explains the goals of the CHAOS project, then introduces
the local modifications of the operating-system kernel, the
collection of system-administration tools tuned to local
cluster-management needs, and the other broad aspects of CHAOS service
to users (such as file systems and resource management).
For a comparison of local Linux features with features of other LC
operating systems (especially AIX), see
For details on the user tools provided by the Simple Linux Utility
for Resource Management (SLURM), see LC's
SLURM Reference Manual.
- Some version
of CHAOS now runs on every LC Linux cluster, open and secure.
- For help contact
the LC customer service and support hotline at 925-422-4531
(open e-mail: firstname.lastname@example.org,
SCF e-mail: email@example.com).
The print file for this document can be found at: