RE: Cheap way to practice clustering?

From: James Montz (James.Montz_at_midwestwireless.com)
Date: 08/31/05

  • Next message: Alan J. Gagne: "RE: Cheap way to practice clustering?" 
    Date: Wed, 31 Aug 2005 09:24:26 -0500
To: <thomas.cameron@camerontech.com>, "For users of Fedora Core releases" <fedora-list@redhat.com>

    If you just want to play and learn with Failover, you don't have to have
    a multi-host aware storage solution.

    I have a couple of test servers setup, just using their local disk for
    storage. I have setup several services (httpd, sendmail, imap, and
    virtual IP) to fail over between the two servers, and has suited my
    needs. And if you really wanted to test an external storage source, you
    could use an NFS mount.

    The only difference in a production environment will be the presence of
    the storage system, and this is basically just handled by defining the
    shared file system as a shared resource.

    -----Original Message-----
    From: fedora-list-bounces@redhat.com
    [mailto:fedora-list-bounces@redhat.com] On Behalf Of Thomas Cameron
    Sent: Wednesday, August 31, 2005 8:34 AM
    To: fedora-list@redhat.com
    Subject: Cheap way to practice clustering?

    Hi all -

    I posted about using firewire for clustering practice a couple of days
    ago. It turns out that this apparently requires a special, very
    expensive firewire solution.

    So I want to play around with clustering (as in high availability
    clustering a la Red Hat Cluster Suite, not computational clustering) at
    home so that I can become more proficient. The problem is, I don't want
    to buy a multi-thousand dollar SAN for my house. I wanted to find a way
    to do clustering on the cheap. I am not sure what path to take, so I am
    going to toss it to the list to see if anyone has any suggestions. I am
    totally open to older/used equipment.

    >From what I've been told, I need a storage device which is multi-host
    aware, so plain old firewire or even SCSI JBOD won't do. I've been
    looking at the specs at
    http://www.redhat.com/software/rha/cluster/hardware/.

    I'm leaning towards VMWare at this point, but I'd rather do it for real
    than in virtual machines.

    Any pointers?

    Thanks!
    Thomas 

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  • Next message: Alan J. Gagne: "RE: Cheap way to practice clustering?"

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