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LinuxWorld demo



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September 14, 2006 5:44 pm

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Hi,

Thought it might be interesting to share some details of a cluster I helped build and demo for the Novell SLE 10 launch at LinuxWorld.

A couple of commenters to Jeff Jaffe’s blog, pointed out a potential problem with running many virtual machines on one physical server, creates a much larger outage should the server fail; you lose all those VMs. We agree and designed a solution into SLES10.
With SLES10, you can cluster physical servers and failover VMs from one to another; using traditional cluster resources to manage each VM. SLES10 supports clustering of Xen VMs and the following slides illustrate the Linux World demo – a four node cluster sharing storage over iSCSI, and running two virtual machines as relocatable cluster resoures. The VM OS images are accessible to all nodes thanks to the Oracle cluster file system, and the cluster software monitors the virtual machines to enable local restart and failover between nodes.

http://wiki.novell.com/index.php/Image:LinuxWorld06HASFDemo.pdf

Robert

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Disclaimer: This content is not supported by Novell. It was contributed by a community member and is published "as is." It seems to have worked for at least one person, and might work for you. But please be sure to test it thoroughly before using it in a production environment.

3 Comments

  1. By:Alex

    Any chance we could get a white paper or something describing the details on how to set this up ourselves?

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  2. Alex,

    Such a document already exists,
    we hope to get it posted this week (pending final review).
    A pointer will be posted here.

    Regards,
    Robert

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  3. Hi,

    Here is a link to a 150 page HOWTO, that gives step-by-step instructions for creating a High Availability Storage Foundation for hosting Virtual Machines as Cluster Resources:

    http://wiki.novell.com/index.php/SUSE_Linux_Enterprise_Server#High-Availability_Storage_Foundation

    Thanks,
    Robert on behalf of Jo, Lars and the team

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