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Topic: Kerrighed


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  Main Page - Kerrighed
The goals of Kerrighed are ease of use, high performance of applications, high availability of the cluster, efficient resources management, and high customizability of the operating system.
Kerrighed is implemented as an extension to the Linux operating system (a set of modules and a patch to the kernel).
Since 2006, Kerrighed is a community project developed by Kerlabs, INRIA, and a growing number of contributors.
www.kerrighed.org /wiki/index.php/Main_Page   (173 words)

  
  Euro-Par 2005 Conference
Kerrighed system, one of the leading SSI technology for clusters, will be presented.
Kerrighed is a distributed operating system based on Linux giving the illusion of a virtual SMP machine.
She leads Kerrighed research activities aiming at the design and implementation of a single system image cluster operating system for high performance computing (http://www.kerrighed.org).
europar05.di.fct.unl.pt /tutorials.html   (1544 words)

  
 Linux.com | A survey of open source cluster management systems   (Site not responding. Last check: 2007-10-15)
Kerrighed also supports Distributed Shared Memory (DSM), which means that each node has access to a large shared memory area in addition to its limited private memory.
One drawback of Kerrighed is that it does not allow the addition or removal of a node while the cluster is running.
Kerrighed is currently available for Linux systems using Intel processors (IA32), and requires a shared filesystem across the cluster.
servers.linux.com /servers/06/09/12/1459204.shtml?tid=44   (1445 words)

  
 Project-Team-PARIS:Kerrighed
In Kerrighed, all resources (processes, memory segments, files, data streams) are globally and dynamically managed to achieve all the SSI properties.
Kerrighed preserves the interface of a standard single node operating system, which is familiar to programmers.
Kerrighed is currently experimented by Cap Gemini, ONERA CERT, Dga CELAR in the framework of COCA contract, as well as by Edf RandD, Seoul National University (Korea),NEC-HPCE Europe (Germany), Ulm University (Germany) and ORNL (USA).
www.inria.fr /rapportsactivite/RA2005/paris/uid36.html   (548 words)

  
 Kerlabs in the Wake of Kerrighed — IRISA
 “Kerrighed is a Linux-based GPL OS  which aims at making user’s life easier when dealing with clusters.
This task proves irksome and bothersome to a lot of people for whom cluster management is not the main job.
But being free can also enable Kerrighed to reach the whole world for a derisory sum.” Indeed, GPL wonderland has its own information channels: scads of websites, strings of directories and, last but not least… distributions.
www.irisa.fr /activity/new/007/linuxexpo07   (845 words)

  
 INRIA - Gelato Consortium
Kerrighed is a Single System Image operating system for clusters.
Ease of programming is achieved as Kerrighed supports both the message passing and the shared memory programming models.
Kerrighed takes benefit of the underlying hardware performance by providing global management of all cluster resources (processor, memory and disk).
www.inrialpes.fr /gelato   (591 words)

  
 Kerrighed - Wikipédia
Kerrighed é implementado como uma extensão a sistema operacional GNU/Linux (uma coleção de módulos e um pequeno ``patch para o kernel Linux).
Kerrighed é um sistema operacional, e não um middleware.
Kerrighed não tem correlação nenhuma com tecnologias de virtualização como VMWare ou XEN.
pt.wikipedia.org /wiki/Kerrighed   (563 words)

  
 INRIA - international
Moreover, as in Kerrighed the disks available on the cluster computing nodes are used to store application data, it is important to be able to access information on a disk on a freezed node.
The first research direction is to modify Kerrighed global file system to allow it to access, after a node OS failure, remote disks without involving the processor of the freezed node.
If Kerrighed is used to support a data server, several TCP/IP connections may be active at the time a reconfiguration of the cluster happens due for instance to a failure.
www-direction.inria.fr /international/AMERIQUES/EA-phenix.html   (3496 words)

  
 MemeStreams | MemeStreams Discussion
Kerrighed descriptionDownloadKerrighed is a Single System Image operating system for clusters.
The goals of Kerrighed are high performance of applications, high availability of the cluster, efficient resources management, high customizability of the operating system and ease of use.
Kerrighed is implemented as an extension to Linux operating system (a set of Linux modules and a small patch to the kernel).
www.memestreams.net /thread/bid21246   (322 words)

  
 DLFP: Sortie de la version 1.0.0 de Kerrighed
Kerrighed est un logiciel développé au sein de l'IRISA/INRIA Rennes en partenariat avec EDF R&D. Kerrighed est sous licence GPL.
Kerrighed inclue en effet un système de fichiers dédié, qui vise à faire exactement ce que tu décris.
En effet, avec kerrighed les processus migrent vraiment avec les sockets (tubes, sockets unix, tcp) qu'ils avaient ouverts.
linuxfr.org /2005/02/25/18383.html   (4571 words)

  
 Talk Announcement   (Site not responding. Last check: 2007-10-15)
Kerrighed also provides dynamic resource management to make cluster configuration changes transparent to the applications and to guarantee the system availability in presence of node failures.
Kerrighed is independent of the cluster interconnection network.
She currently leads a research activity aiming at designing and building a single system image operating system, called Kerrighed (formely, Gobelins), for high performance computing on clusters.
www.cs.ucc.ie /~dongen/seminar/02-03/abstracts/Morin.html   (318 words)

  
 Kerrighed - Wikipedia, the free encyclopedia
Kerrighed is an open source single-system image (SSI) cluster software project started in October 1998 in the Paris research group at IRISA, under the direction of Christine Morin.
Kerrighed provides several features such as a DSM with a sequential consistency model, processes migration from one cluster node to another, and to a limited extent checkpointing.
Kerrighed introduces a container concept: this entity is an abstraction of both files and memory.
en.wikipedia.org /wiki/Kerrighed   (186 words)

  
 Kerrighed Cluster Operating System [easycluster]
Kerrighed is a Single System Image operating system for clusters.
Kerrighed is implemented as an extension to Linux operating system (a set of Linux modules and a small patch to the kernel).
Processes and threads are automatically scheduled over the cluster nodes to balance the CPU load using the Kerrighed default scheduling algorithm.
www.easycluster.de /virtualisierung/kerrighed_single_smp_cluster   (240 words)

  
 InriaGforge: Kerrighed: Information sur le projet
Kerrighed is an open source distributed operating system for clusters.
It offers the view of a unique shared memory multiprocessor on top of a cluster.
In case of problems, mail the administrators or file a bug.
gforge.inria.fr /projects/kerrighed   (130 words)

  
 A New Approach to Configurable Dynamic Scheduling in Clusters Based on Single System Image Technologies
In a cluster, it is thus highly desirable to implement a configurable global scheduler to be able to adapt the dynamic scheduling policy to the workload characteristics, to take benefit of all cluster resources and to cope with node shutdown and reboot.
Kerrighed provides a development framework allowing to easily implement dynamic scheduling policies without kernel modification.
Kerrighed’s process management mechanisms allow to easily deploy parallel applications in the cluster and to efficiently migrate or checkpoint processes, including processes sharing memory.
csdl2.computer.org /comp/proceedings/ipdps/2003/1926/00/19260091abs.htm   (295 words)

  
 [Clusters_sig] Kerrighed Linux-based SSI for clusters   (Site not responding. Last check: 2007-10-15)
Kerrighed is available under the GPL licence (http://www.kerrighed.org).
The current version of Kerrighed (Kerrighed V1.0rc10 released in December 2004) is based on Linux 2.4.24 for IA32 processors.
Kerrighed has been designed and implemented by the INRIA PARIS project-team (http://www.irisa.fr/paris/) at IRISA, Rennes, France, in the framework of a collaboration with EDF RandD (Electricite De France).
lists.osdl.org /pipermail/clusters_sig/2005-February/000028.html   (518 words)

  
 Kerrighed   (Site not responding. Last check: 2007-10-15)
Kerrighed is een single system image besturingssysteem voor clusters.
Kerrighed maakt gebruik van SMP (Symmetrische Multi Processing).
Kerrighed - 77.000 Nederlandstalige artikelen in de wikipedia encyclopedie.....
www.algemene-informatie.nl /kerrighed.html   (303 words)

  
 SSI-OSCAR - News
With this new version, you can test the Kerrighed installation with the OSCAR GUI and the Kerrighed system is automatically launched at the end of the cluster installation.
This version provides Kerrighed 1.0.0 (the package of Kerrighed kernel has been modified to include a large set of drivers, supporting initrd images), and is based on OSCAR 4.1 for RedHat 9 et Fedora Core 2.
This version provides Kerrighed 1.0.0 and is based on OSCAR 4.0 for RedHat 9.0 and Fedora Core 2.
ssi-oscar.gforge.inria.fr /news.php   (367 words)

  
 Kerrighed: A SSI Cluster OS Running OpenMP (ResearchIndex)
In this paper, we present Kerrighed, a Single System Image (SSI) operating system giving the illusion of an SMP machine, and providing the standard posix thread interface to developers.
It is therefore possible to use Kerrighed to run OpenMP programs compiled for SMP-machines using the posix thread interface.
In this paper, we explain how we managed to achieve that goal, and present the benefits of...
citeseer.ist.psu.edu /708895.html   (399 words)

  
 RR-4947 : Kerrighed: A SSI Cluster OS Running OpenMP
In this paper, we present Kerrighed, a Single System Image (SSI) operating system giving the illusion of an SMP machine, and providing the standard posix thread interface to developers.
It is therefore possible to use Kerrighed to run OpenMP programs compiled for SMP-machines using the posix thread interface.
In this paper, we explain how we managed to achieve that goal, and present the benefits of providing OpenMP support through the SSI approach as opposed to a dedicated run-time environment.
www.inria.fr /rrrt/rr-4947.html   (266 words)

  
 Cluster 2004 Abstract: Kerrighed and Data Parallelism: Cluster Computing on Single System Image Operating Systems   (Site not responding. Last check: 2007-10-15)
Dubbed Kerrighed, it provides a unified approach and support to both the MPI and the Shared Memory programming models.
The system is operational in a 16-processor cluster at the Institut de Recherche en Informatique et Systèmes Aléatoires in Rennes, France.
It is shown that ShearSort is remarkably well suited for the architecture/system pair as is the ever so popular and important Two-Dimensional Fast Fourier Transform.
grail.sdsc.edu /cluster2004/Abstracts/abstract_61.html   (169 words)

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