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May 2008

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February 2008

XenSource Knowledge Base : Creating a XenServer Storage Repository on a FAKERAID volume using dmraid

by camel
XenServer Host installation on a FAKERAID volume (as opposed to real hardware RAID volume) is not yet supported, but you can create a Storage Repository on a RAID volume after XenServer Host installation. For this procedure you need three hard disks, two which are configured as RAID1, and the third which is not a part of the RAID array.

December 2007

Convertir système debian en Raid1

by lecyborg
Our intention is not to build a fail-safe system nor a HA-Linux. We are just using RAID-1 mirrored disks to make sure that the system can be restored easily if 1 disk crashes. The following has been tested only twice (hey, we've got other things to do). It did work for us, it might work for you. It might also make your rats go berserk or just blow your mind.

November 2007

RAID1 on Debian Sarge

by lecyborg
A RAID device is a Redundant Array of Independent Disks. The concept was developed in 1987 at UC Berkeley and involves the creation of a virtual disk from multiple small disks in order to deliver improved performance and reliability. There are many flavors of RAID and lots of variations in how to implement it. We detail here a specific instance we use: software RAID1 using IDE disks on a Dell PowerEdge box running Debian "sarge" loaded with grub, managed by mdadm, using the ext3 journaling file system.

How to convert your debian partition to a software raid 1 on the fly

by lecyborg
The system is equipped with 2 similar hard disks (they do not have to be the same but it helps if they are at least similar). The first disk is attached to the primary IDE as master, it will be referenced as /dev/hda. The second disk is attached to the secondary IDE also as master, it will be referenced as /dev/hdc.

Le RAID sous GNU/Linux

by lecyborg
Ce document explique comment mettre en place plusieurs types différents de RAID logiciel sur une plateforme Linux.

October 2007

August 2007

June 2007

May 2007

April 2007

Tour de Bretagne en dériveur

by olivierl
bretagne-en-deriveur.com : Un grand raid en dériveur le long des côtes bretonnes, un mois de navigations en 470. Vous trouverez ici toutes les informations sur l'aventure Bretagne en dériveur qui débutera le 1er aout prochain.

March 2007

February 2007

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