RE: software RAID 1 mirror details?

jix_at_barbuchu.com
Date: 05/20/04

  • Next message: Alexander Dalloz: "Re: [FC2 Installation] On-Board LAN: Intel Kinnereth R LAN PHY" 
    To: "'For users of Fedora Core releases'" <fedora-list@redhat.com>
Date: Thu, 20 May 2004 15:47:11 +0200

    Maybe this help you, via webmin, but it s in french (easy to understand via
    webmin ;))

    http://froverio.free.fr/raid/linuxraid5-1.htm

    jix

    -----Message d'origine-----
    De : fedora-list-bounces@redhat.com [mailto:fedora-list-bounces@redhat.com]
    De la part de Jack Howarth
    Envoyé : jeudi 20 mai 2004 15:42
    À : fedora-list@redhat.com
    Objet : software RAID 1 mirror details?

        I have some questions regarding the proper way to
    set up a software RAID 1 mirror under Fedora on two
    identical SATA drives using the installation tools.
    In particular I am seeking to create a complete
    RAID 1 mirror so that if the main drive fails I can
    simply move it out and reboot under the mirror.
    What I am unclear on is how should I partition the
    two drives and how these partitions are related
    in the software RAID 1 mirror.
        My first inclination is to use DiskDruid in the
    installer to create identical sized partitions on
    both SATA drives (three partitions each...
    /boot, / and /swap). Of these I would only place the
    partitions for /boot and / in the RAID. My rational
    for this is that there is no point in mirroring the
    /swap partition.
        Assuming this approach is correct, I am still
    unclear on how the software RAID 1 mirror knows
    which partitions on each drive to map to each other?
    Does it just try to grossly map them by size and
    do they have to be of identical size on both
    drives of the RAID 1 or just bigger on ther mirror?
    Thanks in advance for any clarifications.
                          Jack 

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